Kinetic Theory - Multiple Choice Questions
Q1. A diving bell of internal volume 6.0 m3 is lowered into a fresh water lake until the volume of the contained air is 4.0 m3.
The height of the water barometer at the surface is 10 m.
Assuming the temperature of the air in the bell does not change, the depth in metres below the surface of the lake of the surface of the water in the bell is:
Q2. A gas molecule of mass m moving at velocity u collides at right angles with the side of a container and rebounds elastically.
Which one of the following statements concerning the motion of the molecule is incorrect?