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 wire is stretched by a weight w. If the diameter of the wire is reduce dto half of its previous value, the extension will become Four times Double One fourth One half
2 A force is acting on body but causes no displacemtn. The work done on the body is Negative Zero Positive Infinite
3 A Partical enegine cannot have an efficiency equal to. 0 1 0.8 0.5
4 Which one is renewabel source of Coal Uranium Sunlight Natural gas
5 The type of energy derived from heated groud water is Tidal energy Hydroelectric energy Nuclear energy Geothermal energy
6 A box is taken to the second floor at a building by doing some work.This work converts to. Kinetic energy Heat enegy Potential energy Sound energy
7 A ball is thrown downward with an initial velocity, its. Ek increases and Ep decreases Ek decreases and Ep increases Both Ek and Ep increases Both Ek and Ep decreases
8 A 4 kg body is thrown vertically upward fromt he gorund with a velocity of 5 ms-1. If frictin is neglected tis kinetic energy just before hitting the ground is. 25 J 100 J 50 J 75 J
9 One unit of horsepower is equivalent 716 W 746 W 736 W 756W
10 The SI unt of power erg Newton Watt Joule
11 What is the power utilized when 100 J of work is done in 5 s.10 W 10 W 500 W 20 W 105 W
12 A weight lifter of power 1960watt lifts a load of mass 'M' from the ground to a ehght of 2 m in 3 second 'M' is. 200 kg 100 kg 400 kg 300 kg
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