Latent Heat Notes Questions with Answers PDF Download – Test 35

MCQ 171: Provided that the latent heat of fusion of a 5.4 kg block of ice has been provided by a heater of 1 kW for 1800 s, the specific latent heat of fusion of ice would then be equal to:

1. 333 kJ ⁄ kg
2. 340 kJ ⁄ kg
3. 350 kJ ⁄ kg
4. 360 kJ ⁄ kg

MCQ 172: A bus travels with a constant force of 5000 N and the work done by the bus is 2500 J, the distance travelled by the bus is:

1. 2 m
2. 0.5 m
3. 7500 m
4. 2500 m

MCQ 173: Suppose the air is stable and not moving, this would:

1. increase the rate of evaporation
2. decrease the rate of evaporation
3. not affect the rate of evaporation
4. disturb the rate of evaporation

MCQ 174: The SI unit of moment of force is:

1. N m^-1
2. N m
3. J, where J is joules
4. W, where W is watts

MCQ 175: The pair of two hollow cups is termed as:

1. Galileo hemispheres
2. Isaac hemispheres
3. Albert hemispheres
4. Magdeburg hemispheres