Latent Heat Notes Questions with Answers PDF Download – Test 179

If we decrease the humidity in the air, the rate of evaporation would

1. increase
2. decrease
3. remain same
4. may increase or decrease

Mass is related to weight by

1. W = mv, where m is mass and v is velocity
2. W = mg, where m is mass and g is the gravitational pull
3. W = vg, where v is velocity and g is the gravitational pull
4. W = da, where d is distance and a is acceleration

Change in state of matter from gas to liquid is termed as

1. boiling
2. solidification
3. condensation
4. sublimation

If the heat capacity of a solid is 1500 JK^-1 and mass is 75 kg. The specific heat capacity of the solid would be

1. 10 J kg^-1 °C^-1
2. 20 J kg^-1 °C^-1
3. 30 J kg^-1 °C^-1
4. 40 J kg^-1 °C^-1

Quantities that have magnitude with direction are termed as

1. Scalar quantities
2. Vector quantities
3. physical quantities
4. Derived quantities