ECAT Pre Computer Science Chapter 4 online mcq test with answers for Physics chapter 4 (Work and Energy)

ECAT Physics Chapter 4 Work and Energy Online Test

Sr. #	Questions	Answers Choice
1	The tidal energy is produced due to rotation of Earth relative to:	Moon Sun Oceans Water
2	Most of the geysers occur in:	Volcanic regions Magnetic regions Northern region None of these
3	A solar cell is made from:	Iron Silicon Germanium Copper
4	The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is	Much more Very small No amount at all None of these
5	The tidal energy is due to gravitational pull of :	sun moon Mars None of these
6	A solar cell converts energy of the Sun into:	Heat energy Magnetic energy Light energy Sound energy
7	The ultimate source of money sources of energy is:	Sun Air Water Petroleum
8	If work is done at the rate of 2 k j per second, then total work done is half an hour will be:	0.5 Kwn 2 Kwh 1 Kwh None of these
9	Teh consumption of energy by a 1000 watt heater in half an hour is:	5 Kwh 0.5 Kwh 2.5 Kwh 3.2 Kwh
10	The consumption of energy by a 60 W bulb in 2 minutes is:	2 watt-hour 120 watt-hour 30 watt-hour None of these
11	The power of an electric generating station is expressed in:	Kilo Jule Kilowatt-hour Kilo watt Watt
12	Power is a :	Vector quantity Base quantity Scalar quantity None of these
13	Watt x second is unit of:	Force Work Power None of these
14	Which of the following is not a unit of power:	J-sec Watt N m/sec Horsepower
15	The value of escape velocity of Earth planet comes out to be:	11 m/sec 11 km/sec 11 km/hour 11 cm/sec

Download This Set