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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

8 cm

B

6 cm

C

10 cm

D

20 cm

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HC VERMA-SOME MECHANICAL PROPERTIES OF MATTER-Objective-1
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  7. If more air is pushed in a soap bubble, the pressure in it will

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  8. If two soap bubbles of different radii are connected by a tube, then

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  9. Figure shows a capillary tube of radius r dipped into water. If the a...

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  10. The excess pressure inside a soap bubble is twice the excess pressure ...

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  11. Which of the following graphs may represent the relation between the c...

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  12. Water rises in a vertical capillary tube upto a length of 10 cm if the...

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  13. A 20 cm long capillary tube is dipped in water. The water rises up to ...

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  14. Viscosity is a property of

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  15. The force of viscosity is

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  16. The viscous force acting between 2 layers of a liquid is given by (F)/...

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  17. A raindrop falls near the surface of the earth with almost uniform vel...

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  18. A piece of wood is taken deep inside a long column of water & released...

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  19. A solid sphere falls with a terminal velocity of 20 ms^-1 in air. If i...

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  20. A spherical ball is dropped in a long column of a viscous liquid. The ...

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