Home
Class 12
PHYSICS
A 20 cm long capillary tube is dipped in...

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

4 cm

B

10 cm

C

16 cm

D

20 cm

Text Solution

Verified by Experts

The correct Answer is:
D
The rise of a liquid in a capillary tube is given by
`h = (2T cos theta)/(r rhog) " " :. h prop 1/g`
In a freely falling elevator , g = 0 `:. h to oo`
But this is not possible
` :. ` The water will fill the entire tube of length 20 cm .
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS . (MCQ FROM PREVIOUS EXAMS)|7 Videos

  • STATIONARY WAVES

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP-8|20 Videos

  • WAVE MOTION

    MARVEL PUBLICATION|Exercise Test your grasp|15 Videos

Similar Questions

Explore conceptually related problems

A 20cm long capillary tube is dipped in water. The water rises up to 8cm. If the entire arrangement is put in a freely falling elevator the length of water column in the capillary tube will be

A 20cm long capillary tube is dipped in water. The water rises upto 8 cm . If the entire arrangment is put in a freely elevator, the length of water column in the capillary tube will be :

A 20 cm long capillary tube is dipped vertically in water and the liquid rises upto 10 cm. If the entire system is kept is a freely falling platform, the length of the water column in the tube will be

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 te water column becomes

If a wax coated capillary tube is dipped in water, then water in it will-

The height upto which water will rise in a capillary tube will be:

A capillary tube is dipped in water and the water rises in it to a height h . If r be the radius of the bore of the tube , then

The lower end of a glass capillary tube is dipped in water. Water rises to a height of 9 cm. The tube is then broken at a height of 5 cm. The height of the water column and angle of contact will be

The lower end of a glass capillary tube is dipped in water. Water rises to a height of 9 cm. The tube is then broken at a height of 5 cm. the height of the water column and angle of contact will be

The lower end of a capillary tube is dipped in water. Water rises to a height of 8 cm. The tube is then broken at a height of 6 cm. The height of water colume and angle of contact will be