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A molecule of mass 'm' collide with a wa...

A molecule of mass 'm' collide with a wall of container in normal direction with a velocity c. if the collision is perfectly elastic, then the change in momentum of the molcules is

A

zero

B

mc

C

`+2mc`

D

`-2mc`

Text Solution

Verified by Experts

The correct Answer is:
D
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NIKITA PUBLICATION-KINETIC THEORY OF GASES & RADIATION -MCQs (Presure exerted by the gas molecule and kinetic energy)
  1. According to the kinetic theory of gasses pressure exerted by perfect ...

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  2. The pressure exerted by the gas molecule is

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  3. A molecule of mass 'm' collide with a wall of container in normal dire...

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  4. If N number of molecules in a container are enclosed then average numb...

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  5. The pressure exerted by the molecules of a gas at any point on a wall ...

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  6. In an equilibrium state, pressure exerted by the gas molecules of a pe...

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  7. The root mean square velocity of a gas molecule of mass m at a given t...

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  8. Select the correct statement

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  9. One mole of an ideal monoatomic gas is heated at a constant pressure o...

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  10. Two containers are filled, each with a different gas. Two containers a...

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  11. The volume of a gas at pressure 21xx10^(4)N//m^(2) and temperature 27^...

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  12. When a gas is in thermal equilibrium, its molecules have

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  13. The root mean square velocity of a gas molecule at any temperature T K...

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  14. Temperature of gas is a measure of

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  15. Oxygen and Helium gases are in same container. Which one has greater K...

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  16. The mean transitional kinetic energy of a perfect gas molecule at abso...

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  17. Mean kinetic energy of a perfect gas is proportional to

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  18. The mean kinetic energy of one mole or gas per degree of

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  19. On the basis of kinetic theory of gases, the mean K.E. of 1 mole per d...

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  20. Mean kinetic energy of a perfect gas per gram at the temperature T K i...

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