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Question 30946

JEE Physics · Medium

Fluid Mechanics: Capillarity MCQ

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CapillarityMediumQuestion 30946

Question

Capillary rise formula h = 2T cosθ/(ρgr) shows that rise is greater for:

A
Wider tube
B
Narrower tube
Correct
C
Horizontal tube
D
Same for all tubes

Correct answer

Narrower tube

Explanation

h ∝ 1/r. Narrower tube (smaller r) gives greater capillary rise.

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