Scales of Temperature MCQ with Answers PDF Download – Test 72

MCQ 356: Temperature of core of earth is equal to 3727 °C. This temperature in Kelvins is equal to:

1. 4000 K
2. 3727 K
3. 3454 K
4. None of the above

MCQ 357: Formula for work done is:

1. F × s, where F is force and s is displacement
2. F/s, where F is force and s is displacement
3. F + s, where F is force and s is displacement
4. F -s, where F is force and s is displacement

MCQ 358: Friction and resistance cause energy loss in the form of:

1. Electrical energy
2. Potential Energy
3. Thermal energy
4. Kinetic energy

MCQ 359: If specific latent heat of fusion of ice is 340 kJ ⁄ kg, the heat required to melt the ice of 100 g would be:

1. 34 J
2. 3400 J
3. 34000 J
4. 34 MJ

MCQ 360: When the solid is changing to liquid, at that period the temperature:

1. increases
2. decreases
3. remains constant
4. may increase or decrease