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A capillary tube of uniform bore is dipp...

A capillary tube of uniform bore is dipped vertically in water which rises by 7mm in tube, the radius of capillary tube is (`T_(water)` = 70 dyne/cm and g = 980 `cm//s^2`)

A

0.2 mm

B

2 mm

C

0.2 cm

D

2 m

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The correct Answer is:
A
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