CBSE IX Physics Gravitation
how to find pressure of
Asked by rajatred
28th February 2008
2:06 PM
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CBSE IX Physics Gravitation
why is cutting edge of knife made sharper
Asked by
11th March 2008
10:26 PM
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CBSE X Physics Sources of Energy
QUESTION
Asked by gpnkumar0
1st October 2017
9:16 PM
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JEE Plances JEE (Main) Physics Fluid Mechanics
From fig why and which pressure is opposite to direction of fluid eject out
Asked by venkat
4th October 2017
2:32 PM
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JEE Plances ALL Class Physics Kinetic Theory of Gases and Thermodynamics
Sir why we take time taken by molecule after two successive collisions in the derivation of pressure exerted by gas molecule on the walls of container.why not we take one collision?
Asked by venkat
15th October 2017
1:05 PM
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CBSE IX Physics
Please provide me the solution to these questions 
Asked by adityaahuja099
16th October 2017
10:32 PM
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CBSE IX Physics Work and Energy
when aeroplane is flying why does not it is falling on the ground
Asked by ujjwalviky2003
18th October 2017
1:54 PM
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NEET1 ALL Class Physics
Why pressure will act on centroid
Asked by anirbanbag81
25th November 2017
9:13 AM
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NEET1 ALL Class Physics Kinetic Theory
what is pitot tube ?
Asked by निकोदिमुस
19th December 2017
6:21 PM
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NEET1 NEET1 Physics
How to solve 
Asked by amitjena226
21st December 2017
10:41 PM
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JEE Plances JEE (Main) Physics Fluid Mechanics
Why the pressure in a drop more in convex side than concave side? Give reasons
Asked by venkat
22nd December 2017
2:21 PM
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ICSE IX Physics
It is easier to cut using a sharp knife than a blunt one give reasons
Asked by Ganesh
20th January 2018
7:15 PM
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ICSE IX Physics
Assuming the density of air to be 1.295kg/m^3, find the fall in barometric height in mm of Hg at a height of 107 m above the sea level. Take density of mercury = 13.6 x 10^3 kg/m^3.
Asked by dr_pradip27121972
1st February 2018
3:19 PM
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JEE Plances JEE (Main) Physics
A piston weighing3 kg has the form of a circular disc of radius R=4 m. The disc has a hole into which a thin walled pipe of radius 1 m is inserted.initially the piston is at the bottom of the cylinder. Now 700 g of water is poured into the pipe. 1. The height to which the piston will rise is 2. The length of the liquid column in the pipe is
Asked by naresh230371
16th February 2018
9:21 PM
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CBSE X Physics
what causes electric pressure ?
Asked by bmani022004
21st March 2018
8:35 PM
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ICSE VIII Physics
long question why elephants have broad feet
Asked by nathsantanukumar
23rd March 2018
7:07 PM
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ICSE VIII Physics
long question answer how will u demonstrate experimentally that aliquid exerts pressure equally in all direction
Asked by nathsantanukumar
23rd March 2018
7:09 PM
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ICSE VIII Physics
differentitate between 1)force and pressure 2)1pascal and 1 newton
Asked by nathsantanukumar
23rd March 2018
7:18 PM
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ICSE VIII Physics Force and Pressure
give two examples to prove that the smaller the area of contact,the greater the pressure
Asked by nathsantanukumar
27th March 2018
5:16 PM
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ICSE VIII Physics
why cutting tools have sharp edges.
Asked by nathsantanukumar
29th March 2018
11:46 AM
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NEET1 NEET1 Physics
A closed rectangular vessel completely filled with a liquid of density ρ moves with an acceleration a = g. The value of the pressure difference (P1 – P2) is : A closed rectangular vessel completely filled with a liquid of density ρ moves with an acceleration a = g. The value of the pressure difference (P1 – P2) is :
Asked by Atulcaald
29th April 2018
1:26 AM
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ICSE VI Physics Pressure
Define cocpressibility
Asked by dharamji1982
9th May 2018
4:52 PM
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ICSE VIII Physics
if the force applied on an object is doubled then the presure exerted on the object become____________.
Asked by sawankumartudu43
23rd June 2018
8:13 PM
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CBSE VIII Science Force and Pressure
Describe Otto von Guericke experiment
Asked by hmhomkar
26th June 2018
5:04 PM
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CBSE VIII Science Force and Pressure
which of the following doesnt work on the existence of atmosphericpreessure a)rise of a cold drink in a long straw. b) rise of iodine solution in glass tube of dropper. c)sticking of suction hook on the wall of a room d) rise of mercuryin gass tube of a thermometer
Asked by arajeevshashank
3rd July 2018
7:56 PM
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CBSE VIII Science Force and Pressure
why is it easier for camels to run in deserts?
Asked by arajeevshashank
3rd July 2018
8:01 PM
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CBSE VIII Science Force and Pressure
wooden planks are kept under railway trucks.why?
Asked by arajeevshashank
3rd July 2018
8:03 PM
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CBSE VIII Science Force and Pressure
why do sea drivers wear well designed suits?
Asked by arajeevshashank
3rd July 2018
8:06 PM
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JEE Plances JEE (Main) Physics
if the atmospheric pressure is 76 CM of Mercury at what depth of water the pressure will become 4 atmosphere
Asked by mokshithreddy125
2nd August 2018
8:04 PM
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CBSE XI Science Chemistry States of Matter
3rd?
Asked by smanishkumar2002
4th August 2018
5:36 AM
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ICSE IX Physics Pressure in Fluids and Atmospheric Pressure
The pressure at the bottom of well is 3times the pressure at a depth of 2 m. Calculate the depth of the well if the atmospheric pressure is 10.33m of water column
Asked by Namita
7th August 2018
3:31 PM
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ICSE IX Physics Pressure in Fluids and Atmospheric Pressure
Why do we find the difference in pressure at the first floor and 3rd floor of a building to find the height of the 3 floor using the formula : P= height x Density x Acceleration due to gravity
Asked by veenamohan3093
23rd September 2018
11:09 AM
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ICSE VIII Physics Force and Pressure
Q1. Why do we sink when we step on one leg in sand?
Asked by Chandrashekhar
24th September 2018
7:52 PM
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ICSE VIII Physics Force and Pressure
Q11. long answer. Find the magnitude of pressure in Pascal of a force of 150N that acts normally on an area of 0.25 square meters.
Asked by Chandrashekhar
24th September 2018
8:40 PM
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CBSE XI Science Physics
9th sum
Asked by lovemaan5500
25th September 2018
7:08 PM
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CBSE VIII Science
why heavy trucks have broad and huge tyres.
Asked by arajeevshashank
5th October 2018
9:13 PM
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CBSE XII Science Physics
A soap bubble of radius 3 cm is charged with 9.0nC. The excess pressure inside the bubble, if surface tension of soap solution = 3×10^-3 N/m is (1)0.26N/m^2 (2)0.36 (3)0.44 (4)0.52
Asked by shahrithik07
27th October 2018
7:53 PM
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CBSE VIII Science
The given fig shows a gas trapped in part X of an apparatus containing mercury .If the atmospheric pressure is 760mm If, then what is the pressure of the gas?
Asked by m.nilu
18th November 2018
10:22 AM
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JEE Main Physics
unts of pressure
Asked by dhanushsurya
23rd December 2018
12:17 PM
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CBSE VII Science
In which direction does air exert maximum pressure?
Asked by gspublicschool
7th February 2019
9:58 AM
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CBSE IX Physics Gravitation
A wooden cuboid has a mass of 8 kg.The length , breadth and height of this wooden cuboid are 100 cm , 50 cm and 20cm respectively.Find the pressure on the floors on which this block is kept.
Asked by Gurbrindersohal89013
13th March 2019
12:15 PM
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CBSE XI Science Physics
A liquid of bulk modulus k os compressed by applying an external pressure such that its density increases by0.001 .The pressure applied on the liquid is
Asked by vishakhachandan026
23rd March 2019
9:28 AM
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CBSE VIII Science Force and Pressure
1 Pascal
Asked by Karthik15hb
24th March 2019
11:41 AM
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CBSE XI Science Chemistry Study of Gas Laws
A gas is contained in a vessel of capacity x liters at a pressure of 20 ATM. This container is connected to another empty container of same capacity .Find the new pressure of gas assuming the temperature to be constant
Asked by Rajrashi2016
26th April 2019
6:59 PM
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CBSE VIII Science Force and Pressure
difference between force and pressure
Asked by gauharkumar1323
7th May 2019
1:26 PM
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CBSE XI Science Chemistry States of Matter
Answer is option 1... Plzz explain why option 4 is wrong..
Asked by jhajuhi19
28th May 2019
9:38 AM
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CBSE XI Science Chemistry States of Matter
The volume occupied by a certain gas was found 5.6 dm3 when the pressure was 2 atmosphere. If the pressure is increased by 15%, find the new volume of the gas.
Asked by shashank1854
28th May 2019
4:48 PM
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ICSE VIII Physics Pressure
S. I unit of pressure
Asked by mk624765
8th June 2019
6:13 PM
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CBSE VIII Science Force and Pressure
why does a truck have more wheels
Asked by manjula.rajoli
17th June 2019
10:21 AM
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NEET NEET Physics
An ideal gas is enclosed in a container of volume V at a pressure P. It is being pumped out of the container by using a pump with stroke volume v. What is final pressure in container after n-stroke of the pump?— (1) P(V/V+v)^n, (2) PV/(V-v)^n, (3) PV^n/v^n, (4) P(V/V-v)^n
Asked by patra04011965
20th June 2019
3:39 PM
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CBSE XI Science Chemistry States of Matter
nitrogen filled in 1 kg cylinder @150 bar . then strored it at 0 degree cetrigrade. for 24 hrs. what will be changes in properties of nitrogen.
Asked by design1.bharatifire
21st June 2019
6:35 PM
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CBSE VIII Science Force and Pressure
How vaccum can be created on Earth
Asked by virenderlathiya
14th July 2019
10:29 AM
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ICSE VIII Physics
Explain about force and pressure.
Asked by Kemkaranita
15th July 2019
7:55 PM
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ICSE VIII Physics
A brick having weight 30 N is 21cm long ,10cm wide,and 6cm high.The face of the brick on the ground having dimension 21cm and 6 cm is contact with ground find the pressure exerted on the ground by the face of brick
Asked by vijayaverma072
22nd July 2019
8:50 PM
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CBSE XI Science Chemistry States of Matter
Sir While solving plz make me understand that how 2x=18(incresed Pressure)
Asked by vishakhachandan026
29th July 2019
6:58 PM
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JEE Main Chemistry Some Basic Concepts in Chemistry
Sir plz solve it step by step,plzz
Asked by vishakhachandan026
30th July 2019
6:28 PM
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JEE Main Chemistry Chemical Thermodynamics
Find work in expansion?
Asked by ashutosharnold1998
10th August 2019
12:10 AM
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ICSE VIII Physics Force and Pressure
What is pressure
Asked by Prakashgpb
16th August 2019
9:14 PM
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CBSE XI Science Chemistry States of Matter
a gas exert pressure on the walls of container, give reason
Asked by ajitbhot73
25th August 2019
11:52 AM
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CBSE XI Science Chemistry States of Matter
Proof: P = hpg
Asked by Asif.k1992
12th September 2019
2:41 PM
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ICSE VIII Physics Pressure
An object exerts a pressure of 2 Pa on the ground .If another object of the same weight is kept above it, what will the net pressure become?
Asked by Cl_narayan
16th September 2019
5:39 PM
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ICSE X Physics Force
Weight is 60 gf Area is 1.25 CM square Calculate pressure
Asked by Saurabhm333
20th September 2019
10:48 AM
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CBSE XII Science Physics
How much pressure be increased be increased in order to decrease the volume of a gas by 5% at a constant temperature?
Asked by Kushwahasms
23rd September 2019
4:48 AM
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NEET NEET Physics
Please answer this
Asked by Prashant DIGHE
8th October 2019
9:41 PM
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NEET NEET Physics
Please answer this
Asked by Prashant DIGHE
8th October 2019
9:42 PM
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NEET NEET Physics
Please answer this
Asked by Prashant DIGHE
20th October 2019
7:26 AM
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JEE Main Physics
Find pressure in mercury coloum
Asked by ashutosharnold1998
21st December 2019
8:56 AM
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CBSE VIII Science Force and Pressure
A nail has 2metre square at one end,1/100m^2 and at the other end. a force of 1000g. weight is applied on the first end calculate the pressure avthing on the wall? Value of g=10m/sec^2
Asked by ramadevi.vasi123
17th February 2020
6:30 AM
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ICSE IX Chemistry Study of Gas Laws
It is found, on heating a gas, its volume increases by 50% and pressure decreases to 60% of its original value. If the original temperature was -15 degree celcius, find the temperature to which it was heated in celcius
Asked by abeshchakraborty6
23rd February 2020
8:54 AM
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ICSE X Chemistry Mole Concept and Stoichiometry
What volume of oxygen at STP is required to affect the combustion of 11 litres of ethylene at 273°C and 380 mm of Hg pressure? Answer in my book : 8.25 litres
Asked by singhamaya63
24th February 2020
11:50 AM
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NEET NEET Chemistry States of Matter
please answer this
Asked by Prashant DIGHE
3rd March 2020
10:00 PM
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NEET NEET Chemistry States of Matter
please answer this
Asked by Prashant DIGHE
3rd March 2020
10:09 PM
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CBSE XI Science Chemistry States of Matter
What is a pressure in stp ? What we choose in sum1 atm or 1 bar at stp ?
Asked by devanshuchhipani
12th March 2020
8:42 PM
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ICSE VIII Physics Force and Pressure
partial pressure
Asked by sujathanatti
12th March 2020
9:10 PM
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CBSE VIII Science Force and Pressure
why the water from injection without needle does not fall down
Asked by hemanghan88.tl
25th April 2020
3:38 PM
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CBSE XI Science Physics Kinetic Theory
Dear experts, Kindly explain this question with a proper solution. Thank you.
Asked by pratikshyadashrkl
1st May 2020
10:24 AM
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ICSE VIII Physics Force and Pressure
What is force and pressure write a brief note on this question Plz help me with this question
Asked by anuragsinhaanu329
18th May 2020
1:41 PM
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CBSE XII Science Chemistry Surface Chemistry
What are the 6 factors that influence adsorption
Asked by shreemuvijihari
18th May 2020
6:29 PM
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NEET NEET Chemistry States of Matter
What is limiting value. Please explain
Asked by prakriti12oct
25th May 2020
12:15 AM
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CBSE XI Science Chemistry Equilibrium
Please answer. It's the same question printed in the next page so I combined it
Asked by prakriti12oct
1st June 2020
10:29 PM
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CBSE IX Chemistry Matter in Our Surroundings
what is the advisable to use pressure cooker at higher altitudes
Asked by swatipuspapatel
5th June 2020
12:36 PM
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CBSE XII Science Chemistry States of Matter
How much pressure should increase when volume is decreased by 5 percentage
Asked by rushana9877
18th June 2020
8:38 PM
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ICSE VI Physics
The steam pushing out from a preassure cooker occupies a large volume.Which of the following effects of force does it establish. A. change in motion B. change in speed C. change in direction D. change in size and shape Please tell me the answer and explain it.
Asked by varaddeshmukh39.6spicertl
8th July 2020
3:44 PM
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ICSE VII Chemistry Physical and Chemical Changes
Liquid expands on ___________.
Asked by shrutidaware99.7spicertl
23rd July 2020
8:09 PM
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ICSE VII Chemistry Physical and Chemical Changes
Liquid expands on
Asked by shrutidaware99.7spicertl
23rd July 2020
8:10 PM
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ICSE VIII Physics Force and Pressure
Calculate the pressure exerted by cubical block placed over the surface. M = 50 kg, Side Length = 5 cm
Asked by palaktapadiya08.8spicertl
4th August 2020
4:21 PM
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CBSE XII Science Chemistry Solid State
PHYSICAL CHEMISTRY SOLID STATE
Asked by sushant.vision.board.1
17th September 2020
9:48 AM
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CBSE XI Science Chemistry States of Matter
an ideal gas mixture contains 4 milimoles of H2 for every mili mole of Ne .The partial pressure of Ne is ?
Asked by pushpakumari291279
31st December 2020
2:02 PM
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CBSE XI Science Physics
pls help me to solve the 59th question
Asked by thejasvi001
2nd January 2021
7:49 PM
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CBSE IX Physics
A force of 100 n acts on 25cm^2. Calculate force and pressure. Calculate the pressure when force is now reduced to 25N.
Asked by harjot.arshleen
1st February 2021
12:57 PM
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JEE Main Physics Properties of Solids and Liquids
Air at pressure P1 is injected to a manometer with a tube size of 2 cm diameter and air at pressure P2 is injected to another manometer with a tube size of 4 cm diameter as shown in the figure. Which of the following options about P1 and P2 is true? A P1 = P2 B 2P1 = P2 C 4P1 = P2 D P1 = 4P2
Asked by rajiv.gupta262
14th February 2021
1:43 PM
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Maharashtra VIII Science
WHAT IS THE FORMULAE FOR PREASURE
Asked by avni.vaibhav.salunke
15th July 2021
10:16 AM
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CBSE IX Physics Force and Laws of Motion
A nail is driven into a wooden board by using a hammer. the impact of hammer on the head of the nail reduces the thrust of 25N. If the area of head is 0.5mm square and the tip is 0.1mm square.Find the pressure of head and tip
Asked by sreesaie2008
1st August 2021
6:12 AM
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CBSE VIII Science Force and Pressure
what does pressure depend on?
Asked by sadiyaarebiyani58.8dgatl
16th August 2021
9:01 PM
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CBSE XI Science Chemistry States of Matter
Give the value of P, V, and T at STP and NTP
Asked by adisuncheti
26th August 2021
12:56 AM
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CBSE VIII Science Force and Pressure
what is pressure
Asked by angelascott7pis
12th November 2021
10:27 PM
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CBSE IX Physics Force and Laws of Motion
A block of wood is kept on a horizontal table the mass of the wooden block is 6 kg and its dimensions are 10 into 10 into 10 what is the pressure exerted by the wooden block on the table
Asked by aanchishraddha
16th November 2021
9:27 PM
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CBSE XI Science Physics Mechanical Properties of Fluids
Obtain an expression for the difference in pressure inside a saop bubble floating in air.
Asked by seeni2005
19th November 2021
12:47 PM
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CBSE XI Science Physics Mechanical Properties of Fluids
obtain an expression for the difference in pressure inside a soap bubble floating in water.
Asked by seeni2005
19th November 2021
12:51 PM
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CBSE VIII Science Force and Pressure
atmosphere pressure measurement instrument
Asked by siddhirajsaharsa
19th December 2021
4:02 PM
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NEET NEET Physics Kinetic Theory of Gases
sucking air out of a balloon causes- 1.increase in p inside balloon 2.decrease in p inside balloon 3.both 4.none
Asked by myindiaisbad
17th June 2022
4:03 PM
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JEE Main Physics Kinetic Theory of Gases
pls solve
Asked by walavalkarsandeep44
22nd June 2022
7:54 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
can we see weight and pressure these entities
Asked by vibhutimandal70
26th June 2022
10:39 PM
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ICSE VIII Physics
if a weight of 150 N is applied on a surface of area 10cm×10cm, calculate the pressure acting on the surface
Asked by mandalbibek845
30th June 2022
8:53 AM
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JEE Main Physics Gravitation
plz solve
Asked by swayamagarwal2114
21st July 2022
5:18 PM
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CBSE VIII Science Force and Pressure
If the force applied on an area of 40 cm² is 2N what is the pressure ?
Asked by Omwatisahu09
28th October 2022
11:34 AM
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JEE Main Physics Kinetic Theory of Gases
In this quesn, how they have assumed thta final pressure of both the vessels will be same.
Asked by aaryamanmodern
17th January 2023
10:18 PM
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ICSE VIII Physics Force and Pressure
with an activity show that a liquid exert pressure on the walls of the container
Asked by papur6326
12th July 2023
6:45 PM
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CBSE VIII Science Force and Pressure
The pressure that atmosphere exerts is called _____
Asked by gaud8642
12th July 2023
9:53 PM
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ICSE IX Physics Pressure in Fluids and Atmospheric Pressure
Pa
Asked by msrikanta11
13th July 2023
9:42 AM
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CBSE IX Physics Force and Laws of Motion
boxes a and b each of mass 2 kg having dimension 20 cm to 10 cm into 8 cm and 40 cm into 30 cm and to 15 January respective at kept on a horizontal surface as shown the figure the ratio of pressure accepted by box a on the surface accepted by box be on the surface is take g 10 m per second
Asked by arushiarushi921
11th October 2023
8:45 PM
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JEE Main Physics Properties of Solids and Liquids
An air bubble of diameter, d = 4µm is located in water at a depth h = 5.0m Considering standard atmospheric prssure as 1 atm, find the pressure in the air - bubble? (S=0.07 N/m)
Asked by abhisheknand5151
10th January 2024
2:13 PM
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CBSE XI Science Physics Mechanical Properties of Fluids
pressure of a gas in a closed cylinder is expressed in the following manner p=pa+hpg identity the expression for absolute pressure and gauge pressure
Asked by rajuinwati12
4th March 2024
9:22 AM
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JEE Main Chemistry Some Basic Concepts in Chemistry
jk
Asked by durgeshsing666
18th March 2024
6:34 AM
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NEET NEET Physics Properties of Solids and Liquids
not getting answer correct.
Asked by labdhisangoi101
30th March 2024
2:51 PM
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