Pressure in Gases Practice Test PDF Download eBook

MCQ: Pressure of gas is due to the

1. random motion of gas molecules
2. collision of gas molecules with each other
3. collision of gas molecules with the wall of container
4. vibration of solid particles in the wall of container

MCQ: A doctor uses unmarked clinical thermometer to check a patient, the values of the thermometer are l₁₀₀ 12 cm and l₀ is 2 cm. If the l_θ is 4 cm the temperature of the thermometer would be

1. 20 °C
2. 40 °C
3. 60 °C
4. 80 °C

MCQ: Formula for calculating heat capacity is

1. H = Δθ/Q
2. Q = C/Δθ
3. Q = H/Δθ
4. C = Q/Δθ

MCQ: Coefficient of viscosity may be expressed in units of

1. kg s m^-2
2. kg m s^-2
3. N s m^-2
4. N m s^-2

MCQ: If an object of mass 20 kg accelerates at the rate of 2 m s^-2. The force applied on the object would be

1. 18 N
2. 22 N
3. 10 N
4. 20 N