Question
Question: A 20 cm long capillary tube is dipped in water. The water rises up to 15cm. If the entire arrangemen...
A 20 cm long capillary tube is dipped in water. The water rises up to 15cm. If the entire arrangement is put in a freely falling elevator the length of water column in the capillary tube will be –
A
20 cm
B
4 cm
C
10 cm
D
18 cm
Answer
20 cm
Explanation
Solution
In condition of weightless, water rises to the whole of the
available length.