EASY
11th Odisha Board
IMPORTANT
Earn 100

A soap bubble has radius 5 cm. If the soap solution has a surface tension 30×10-3 N/m, the gauge pressure within the bubble is  Pa.

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Important Questions on Surface Tension

EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 1
When a soap bubble is charged it contracts.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 2
If a drop of oil is placed on the surface of water, it will spread as a thin layer.
HARD
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 3

A liquid does not wet the surface of a solid if the angle of contact is an obtuse one.

EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 4

Soap helps in cleaning the clothes because it reduces the surface tension of the solution.

EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 14 - Surface Tension>MODEL QUESTIONS>Q 5
When a drop of water breaks into two droplets of equal size, there is loss in surface energy.