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When a glass capillary tube of radius 0.015cm is dipped in water, the water rises to a height of 15 cm within it. Assuming
contact angle between water and glass to be 0° the surface tension of water is [Oasis = 1000kgm
1000kgm',9= 9.81ms-2]
(A) 0.11 Nm-1
(B) 0.7Nm-1
(C) 0.072Nm-1
(D) None of these
A
B
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D
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Answer 1

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I can't understand the question can you please keep the pic