A 20cm long capillary tube is dipped in water. The water rises up to 8cm,
A 20cm long capillary tube is dipped in water. The water rises up to 8cm. If the entire arrangement is put in a freely falling elevator, the length of water column in the capillary tube will be
(a) 8cm
(b) 6cm
(c) 10cm
(d) 20cm.
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