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Define mean free path ....

Define mean free path .

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The average distance travelled by the molecule between the successive collisions .
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Write a note on mean free path.

The mean free path of a gas at 1 atm pressure is l. Its mean free path at 5 atm pressure will be

How does the mean free path depent on the diameter (size) of the molecules?

How does the mean free path depend on the number density of molecules?

For a molecule of diameter 2.5 Å and number density of molecule 2.1 xx 10^(25) molecule /m^(3) , calculate average distance (mean free path) covered by a molecule between two successive collisions.

Estimate the mean free path and collision frequency of a nitrogen molecule in a cylinder containing nitrogen at 2.0 atm and temperature 17^(@)C . Take the radius of a nitrogen molecule to be roughly 1.0Å. Compare the collision time with the time molecule moves freely between two successive collision (M of N_(2)=28)

Give the expression for the average difference between the successive collisions (also called mean free path).

SUBHASH PUBLICATION-ANNUAL EXAMINATION QUESTION PAPER NORTH- 2018-PART - D
  1. Define mean free path .

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  2. What is v-t graph? Derive the expression x = V0 t + 1//2 at^2 using v...

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  3. State and prove conservation of linear momentum in case of collision o...

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  4. Define torque and angular momentum .

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  5. Derive the relation between torque and angular momentum .

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  6. Explain different stages of Carnot's cycle with P-V diagram .

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  7. Derive an expression for time period of oscillating bob of simple pend...

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  8. Mention the differences between progressive and stationary waves .

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  9. An aircraft executes a horizontal loop of radius 1 km with a steady sp...

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  10. A man weighing 49 kg carries a bag of 2 kg . He climbs to the top of a...

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  11. Calculate g at the bottom of a mine 8 km deep and at an altitude 32 km...

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  12. A cubical ice box of thermocol has each side 30 cm and thickness 5 cm ...

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  13. The apparent frequency of a note when an observer moves towards a stat...

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  14. Show that x=v(0)t+1//2at^(2) by graphical method.

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  15. State and prove conservation of linear momentum in case of collision o...

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  16. Define torque and angular momentum .

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  17. Derive the relation between torque and angular momentum .

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  18. Explain different stages of Carnot's cycle with P-V diagram .

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    |

  19. Derive an expression for time period of oscillating bob of simple pend...

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    |

  20. Mention the differences between progressive and stationary waves .

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    |

  21. An aircraft executes a horizontal loop of radius 1 km with a steady sp...

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    |