A 20 cm long capillary tube is dipped in water. The water rises up to 8 cm. If entire arrangement is put in a freely falling elevator, the length of water column in the capillary tube will be :
A) 4 cm
B) 8 cm
C) 10cm
D) 20 cm
Correct Answer:
D
Solution :
Water fills the tube entirely in gravity lesscondition.