Question

In a vertical capillary of height 3h, water rises upto height h, if the capillary is tilted at 30° with horizontal, then height upto which water will rise becomes:

(1)3h
(2)2h
(3)h
(4)3h/2
​

Answer 1

Answer:

The expression for the capillary rise in a tube is given by,

H =

ρgr

2Tcosθ

for all other parameters kept constant, if I change the angle of inclination to 45

o

cosθ will go from 1 to

2

1

Therefore, the height of capillary tube rise will also change from Hto

2

H

Answer 2

Explanation:

2h is the answer

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