Physics 9th Class English Medium Online Test With Answers

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Physics 9th Class English Medium Online Test

Sr. # Questions Answers Choice
1 A ball weighing 50 N is lifted to a height of 5 metre. The potential energy stored in it is. 25 J 250 J 55 J 45 J
2 A heavy and a lighter object have same momentum. The object with greater kineic energy is. Heavy Lighter Same kinetic energy Either a or b
3 A car, an ele;phant and a cricket ball have same kinetic energies, Which of these have greater speed. Car Cricket ball All have same speed Elephant
4 The unit of work or energy joule is equal to............... Newton metre Horsepower Watt metre Newton second
5 Which of the following is not renewable eergy soruce. Fossil fuels Hydroelectric energy Wind energy Solar energy
6 The magnitude of momentum of an object is doubled. the kinetic energy of the object will Double Increase to four times Reduce to one half Remain the same
7 The energy possessed by abody by virtue of its position is. Solar energy Chemical energy Potential energy Kinetic energy
8 If a car doubles its speed, its kinetic energy will be Increased to four times The same Doubled Increased to the three times
9 A bullet of mass 0.05 kg has a speed of 300 ms-1. Its kinetic energy will be. 2250 J 4500 j 1500 J 1125 J
10 The power of a waer pump is 2 kW. The amoutn of water it can raise in one minute to a height of 5 meter is 2400 litres 1000 litres 1200 litres 2000 litres
11 The SI Unit of Power is Watt Joule Newton Second
12 A Joule can also be written as. kgms<sup>-2</sup> kgms<sup>-1</sup> kgms<sup>-2</sup>S<sup>-2</sup> kgms<sup>-2</sup>S<sup>-3</sup>
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