35. If water rises in a capillary tube upto 3 cm. What is
the diameter of capillary tube (Surface tension of water = 7.2 ×10–2 N/m)
(a) 9.6×10–4 m
(b) 9.6×10–3 m
(c) 9.6×10–2 m
(d) 9.6×10–1 m
Ans. a
(56)
5/5 - (2 votes)
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