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CBSE - XI Science - Physics - Mechanical Properties of Fluids
An ancient building has a fine of 5m radius and uniform but small thickness.The surface tension of its masonry structure is about 500Nm^-1.Treated as hemisphere,find the maximum load that dome can support.
Asked by Vidushi412
20th December 2018,
12:23 PM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
Q)
Asked by araima2001
22nd March 2017,
5:54 AM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
Q)
Asked by araima2001
25th February 2017,
10:37 AM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
How to solve this question . Since I am not able to upload the file to topperlearning server , here is the link to the file ..
https://drive.google.com/file/d/0B8VKUxBBIaO2Qi13cjZsckZUQU0/view?usp=sharing
Asked by Saravanan
9th February 2015,
12:38 AM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
1. A rectangular plateof dimensions 6*4 and thickness 2mm is placed with its largest face flat on the surface of water. Find the downward force on the plate due to surface tension, surface tension of water is 7*10^-2.
2. I f the normal density of sea wateris 1.00g/cm, what will be its density at a depth of 3km?
Given, compressibility of water=0.000048 per atmosphere, 1 atmospheric pressurre= 1.01*10^6 dyne/cm^2
Asked by Nirbhay
6th November 2014,
9:26 AM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
How does reducing Surface Tension help in cleansing action of clothes?
How do ants and other small creatures are able to walk on liquid surface while we cannot?
Asked by Jeeva Keshav S
28th September 2014,
9:54 PM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
A drop of mercury of radius 3 mm splits into 27 identical droplets. Find the increase in surface energy. Surface tension of mercury is 0.465 N/m.
Asked by Topperlearning User
1st August 2014,
4:23 PM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
What happens if the capillary tube is of insufficient height?
Asked by Topperlearning User
1st August 2014,
3:46 PM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
Derive an expression for excess of pressure inside a soap bubble.
Asked by Topperlearning User
1st August 2014,
3:43 PM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
n identical drops (each of radius r) of liquid of surface tension T and density 
coalesce to form single drop. The energy released in the processes is converted into kinetic energy. Find the speed of drop.
coalesce to form single drop. The energy released in the processes is converted into kinetic energy. Find the speed of drop.
Asked by Topperlearning User
1st August 2014,
3:03 PM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
Define surface energy and show that surface energy is equal to surface tension.
Asked by Topperlearning User
1st August 2014,
2:01 PM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
When a sewing needle is gently placed on the surface of water, it floats. Why?
Asked by Topperlearning User
1st August 2014,
1:42 PM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
If we place a cotton thread loop on a soap film gently and prick the film within the loop then what shape will the thread loop acquire?
Asked by Topperlearning User
1st August 2014,
1:32 PM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
Why do the hairs of a shaving brush cling together when taken out of water?
Asked by Topperlearning User
1st August 2014,
1:27 PM
CBSE - XI Science - Physics - Mechanical Properties of Fluids
Define surface tension. What is the cause of surface tension? What is its measure?
Asked by Topperlearning User
1st August 2014,
1:26 PM
