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CBSE - XI Science - Physics - Mechanical Properties of Fluids

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Asked by araima2001 22nd March 2017, 5:54 AM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

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Asked by araima2001 25th February 2017, 10:37 AM
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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
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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
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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
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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
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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
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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.

Asked by Topperlearning User 1st August 2014, 3:03 PM
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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
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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
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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
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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
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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
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