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Home /Doubts and Solutions/CBSE/Class 11 Science/Physics/Thermal Properties Of Matter

Thermal Properties Of Matter Free Doubts and Solutions

CBSE - XI Science - Physics - Thermal Properties of Matter

if a blackbody radiation at t is equal to 1650 ke the wavelength of the maximum intensity is

Asked by danushdanu7093 30th August 2020, 3:13 PM
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CBSE - XI Science - Physics - Thermal Properties of Matter

What is the difference between heat and temperature?  

Asked by prangyajena2016 16th July 2020, 9:08 AM
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CBSE - XI Science - Physics - Thermal Properties of Matter

The readings of a thermometer at 0deg c and 100deg c are 50cm and 75cm of mercury column respec .Find the tempt at which its reading is 80cm of mercury column?

Asked by m.nilu 29th November 2018, 9:52 AM
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CBSE - XI Science - Physics - Thermal Properties of Matter

Figure below shows a portion of an electric circuit with the cur ents in ampreres and their directions. The
magnitude and direction of the cur ent in the portion PQ is :

Asked by Amyra B 22nd October 2014, 7:55 PM
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CBSE - XI Science - Physics - Thermal Properties of Matter

 In the basic CsCl (cesium chloride) crystal structure, Cs+ ions form the corners of a cube and a Cl- ion is at the cube's center (see right figure). The edge length of the cube is 0.40 nm. The Cs+ ions are each deficient by one electron (and thus each has a charge of +e), and the Cl - ion has one excess electron (and thus has a charge of -e). (a) What is the magnitude of the net electrostatic force exerted on the Cl - ion by the eight Cs+ ions at the corners of the cube? (b) If one of the Cs+ ions is missing, the crystal is said to have a defect; what is the magnitude of the net electrostatic force exerted on the Cl - ion by the seven remaining Cs+ ions? 

Asked by RUDRA YADAV 19th April 2014, 10:39 PM
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CBSE - XI Science - Physics - Thermal Properties of Matter

CALCULATE THE TEMPERATURE IN KELVIN AT WHICH A PERFECT BLACK BODY RADIATES AT THE RATE OF 5.67W/cm square. given stefan's constant is 5.67*10 -5  erg s-1cm-2K-4

Asked by Krishnamoorthy M R 16th March 2014, 1:50 PM
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CBSE - XI Science - Physics - Thermal Properties of Matter

On the basis of coefficient of volume expansion=1/T, draw Temperature vs Density graph for thermal expansion of gases (ideal gas)

Asked by MANISHA MOHANTY 7th March 2014, 7:38 PM
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CBSE - XI Science - Physics - Thermal Properties of Matter

State and Derive Expression for Newton's Law of Cooling.

Asked by Jitendra Patil 1st March 2014, 7:19 PM
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CBSE - XI Science - Physics - Thermal Properties of Matter

A metal sphere cools at the rate of 1.8C/min when its temperature in 85C and the rate of 0.9C/min.When its temperature is 55C.Calculate the room temperature

Asked by Sindhura shetty 22nd February 2014, 11:31 AM
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CBSE - XI Science - Physics - Thermal Properties of Matter

q1.a few 100 years ago ,fruits and vegetables were being stored in underground cellars ,discuss the advantages of choosing this location as a storage site!! Q2.why is a person able to remove dry aluminium foil from a hot oven with bare fingers but burns his/her fingers if there is moisture on the foil??

Asked by Vishakha Rathod 12th February 2014, 5:19 PM
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