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O Level Physics Practice Test 140

# Heat Capacity: Physics Test Questions PDF - 140

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## Physics Tests Online: Heat Capacity: Physics Quiz - 140

MCQ: In fluids, the kinetic energy is due to

A) the movement of particles
B) the vibration of particles
C) the collision of particles
D) the intermolecular forces

MCQ: A chromium wire resists 400 Ω at ice point and 420 Ω at steam point, and the resistance of wire is 406 Ω, so the room temperature would be

A) 10 °C
B) 20 °C
C) 30 °C
D) 40 °C

MCQ: Which of the following is a characteristic of force? It

A) can make a stationary object to start move
B) cannot make a moving object to increase speed
C) can make a moving object to decrease speed
D) can change the direction of an object

MCQ: Changing or inconsistent speed is termed as

A) instantaneous speed
B) average speed
C) uniform speed
D) variable speed

MCQ: A heater raises the temperature of air in a room from 22 °C to 37 °C with the energy of 7500 J. If the mass of the air is 5 kg, the specific heat capacity of the air would be

A) 25 J kg-1 °C-1
B) 50 J kg-1 °C-1
C) 75 J kg-1 °C-1
D) 100 J kg-1 °C-1