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11th Odisha Board
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If two soap bubbles of different radii are in communication with each other

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Important Questions on Surface Tension

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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 6
Two soap bubbles have their radii in the ratio 2: 1. The ratio of the excess pressure inside the bubbles is
 
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 7
The lower end of a capillary tube is at a depth of 12cm and water rises 3cm in it. The mouth pressure required to blow an air bubble at the lower end will be x cm of water column, where x is
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 8
When temperature is increased, surface tension of a liquid
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 9
Which of the following will rise to maximum height in a given capillary tube
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 10
A needle floats on water surface because of
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 11
What is the effect on size of a soap bubble when some electric charge is given to it?
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 12
A number of small drops of mercury adiabatically coalesce to form a single drop. The temperature of the drop will
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 13
A soap bubble has radius 5 cm. If the soap solution has a surface tension 30×10-3 N/m, what is the gauge pressure within the bubble?