Pressure in Gases Quiz Questions and Answers PDF - 93

MCQ 461: 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 462: 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 463: Formula for calculating heat capacity is

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

MCQ 464: 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 465: 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