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. 10 cm
C. 4 cm
D. 20 cm
A. 8 cm
B. 10 cm
C. 4 cm
D. 20 cm
Correct Answer – D
Water fills the tube entirely in gravity less condition i.e., 20 cm.