GATE XE concept:surface-tension PYQs & Answers

Questions 1–3 of 3. Imported answers require independent review unless marked reviewed.

Consider the following statements:

Assertion (a)

Surface tension acts along the interface of two fluids.

Reason (r)

The pressure of the fluid inside a bubble is higher than that of the fluid outside the bubble.

Which one of the following options is correct?

Your answerChoose one option.

Both (a) and (r) are true, and (r) is the correct explanation of (a).

Both (a) and (r) are true, however (r) is not the correct explanation of (a).

(a) is true, but (r) is false.

(a) is false, but (r) is true.

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Group-I indicates different properties of fluid and Group-II defines their basic dimensions in terms of Force (

), Length (

), and Time (

Which one of the following options identifies the correct match between Group-I and Group-II?

Your answerChoose one option.

P–1, Q–3, R–2

P–2, Q–1, R–3

P–3, Q–2, R–1

P–2, Q–3, R–1

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The absolute value of pressure difference between the inside and outside of a spherical soap bubble of radius,

, and surface tension,

, is:

Your answerChoose one option.

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GATE XE concept:surface-tension PYQs