MCQ
In a capillary tube experiment, a vertical $20 \,cm$ long capillary tube is dipped in water. The water rises up to a height of $8\,cm$ due to capillary action. If this experiment is conducted in a freely falling elevator, the length of the water column becomes ....... $cm$
  • A
    $10$
  • B
    $30$
  • $20$
  • D
    $0$

Answer

Correct option: C.
$20$
c
(c)The length of the water column will be equal to full length of capillary tube.

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