Heat Capacity MCQ (Multiple Choice Questions) PDF Download

The SI unit of thermal energy is

1. Joule
2. watt
3. farad
4. newton

(Mass × specific heat capacity × temperature change) is equal to

1. kinetic energy transferred
2. potential energy transferred
3. thermal energy transferred
4. heat capacity transferred

If Q is the thermal energy absorbed or released, δθ is the change in temperature, m is the mass of the substance, C is the heat capacity then the specific heat capacity is expressed as

1. c = 1/m(Q/δθ)
2. c = 1/m(Q+δθ)
3. c = 1/m(δθ/Q)
4. c = 1×m(Q/δθ)

If an electric heating coil supplies 60 W of power to a block of metal having mass of 0.5 kg and then raises the temperature of the block from 30 °C to 60 °C in 50 s. What is the specific heat capacity of the metal?

1. 20 J Kg^{-1 -1}
2. 200 J Kg^{-1 -1}
3. 300 J Kg^{-1 -1}
4. 500 J Kg^{-1 -1}

The specific heat capacity of water is

1. 2400 J Kg^-1 K ^-1
2. 400 J Kg^-1 K ^-1
3. 3900 J Kg^-1 K ^-1
4. 4200 J Kg^-1 K ^-1