Power in Physics Multiple Choice Questions (MCQ) PDF Download

MCQ 1: A machine has the ability to lift blocks vertically up to a height of 30 m above the ground in 50 s. The power of the machine is

1. 1.2 kW
2. 0.12 kW
3. 300 kW
4. 6 kW

MCQ 2: The SI unit of power is

1. Joule
2. Newton
3. watt
4. pascal

MCQ 3: A filament bulb rated at 30 W, coverts 15% of its electrical energy supply into light energy. Calculate the quantity of light energy emitted in 10 minutes.

1. 1.8 kJ
2. 1.2 kJ
3. 1.5 kJ
4. 2.4 kJ

MCQ 4: One watt is given by

1. one second/one joule
2. one joule/one second
3. one joule/one meter
4. one joule/one km

MCQ 5: A hurricane possesses a tremendous amount of

1. power
2. energy
3. light
4. both power and energy