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A gas molecule of mass  strikes the wall of the container with a speed  at an angle  with the normal to the wall at the point of collision. The impulse of the gas molecule has a magnitude

a)

b)

2

c)

d)

Zero



Question ID - 52715 | SaraNextGen Top Answer

A gas molecule of mass  strikes the wall of the container with a speed  at an angle  with the normal to the wall at the point of collision. The impulse of the gas molecule has a magnitude

a)

b)

2

c)

d)

Zero

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

From adjoining figure the component of momentum along -axis (parallel to the wall of container) remains unchanged even after the collision.

 Impulse = change in momentum of gas molecule along -axis,  in a direction normal to the wall = ,

127 votes


127