In a capillary tube experiment, a vertical, 30 cm long capillary tube is dipped in water. The water rises up to a height of 10 cm due to capillary action. If this experiment is conducted in a freely falling elevator, the length of the water column becomes ___________
(a) 10 cm
(b) 20 cm
(c) 30 cm
I have been asked this question in a national level competition.
I would like to ask this question from Thrust of a Liquid topic in portion Mechanical Properties of Solids of Engineering Physics I