A 20 cm long capillary tube is dipped in water.The water rises upto 8 cm. If the entire arrangement is put in a freely falling elevator the length of water column in the capillary tube will be:

4 cm

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20 cm

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8 cm

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10 cm

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Solution

The correct option is B 20 cm
On freely falling elevator, the gravitational force on water will be zero therefore, surface tension will not be cancelled by any other force and, hence, water will be raised to full length of capillary tube.

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cm long capillary tube is dipped in water. The water rises upto

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Q. 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
(a) 8 cm
(b) 6 cm
(c) 10 cm
(d) 20 cm

A 20 cm long capillary tube is dipped in water. The water rises upto 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 long capillary tube is dipped in water.The water rises upto 8 cm. If the entire arrangement is put in a freely falling elevator the length of water column in the capillary tube will be:

The correct option is B 20 cmOn freely falling elevator, the gravitational force on water will be zero therefore, surface tension will not be cancelled by any other force and, hence, water will be raised to full length of capillary tube.

The correct option is B 20 cm
On freely falling elevator, the gravitational force on water will be zero therefore, surface tension will not be cancelled by any other force and, hence, water will be raised to full length of capillary tube.