A 20-cm-long capillary tube is dipped in water. The water rises up to 8 cm. If the entire arrangement is put in a freely falling elevator, the length of water column in the capillary tube will be
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a
20 cm
b
4 cm
c
10 cm
d
8 cm
answer is A.
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Detailed Solution
In the condition of weightlessness, water rises to the whole of the available length .