Temperature Scales Multiple Choice Questions (MCQ) PDF - 172

MCQ 856: Temperature in core of earth is equal to 3727 °C, which is equal to

1. 3454 K
2. −3454 K
3. 4000 K
4. −4000 K

MCQ 857: Process of transfer of thermal energy without any flow of material medium is called

1. Conduction
2. Convection
3. Radiation
4. None of the above

MCQ 858: A student heats up sulphuric acid from 5 °C to 55 °C with the thermal energy of 20000 J. If the mass of the 4 kg the specific heat capacity of the sulfuric acid is

1. 25 J kg^-1 °C^-1
2. 50 J kg^-1 °C^-1
3. 75 J kg^-1 °C^-1
4. 100 J kg^-1 °C^-1

MCQ 859: An electric kettle of 1200 W works for 1 hour, the energy consumed by the kettle is

1. 3 J
2. 2400 J
3. 4320000 J
4. 1200 J

MCQ 860: Electromagnetic waves

1. transfer energy
2. cannot transfer energy
3. may transfer energy
4. are longitudinal