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Physics

Physics
What is the SI unit of Force?

Boyle
Newton
Watt
Pascal

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Physics
A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is:

75 J
50 J
100 J
150 J

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Physics
Shock-absorbers are usually made of steel as it :

Has higher elasticity
Has no ductile property
Is not brittle
Has lower elasticity

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Physics
If ice floating on water in a vessel melts, the water level in the vessel ________ .

Does not change
Increases
Decreases
First increases before decreasing

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Physics
Radian is used to measure

Temperature
Intensity of Flame
Angle
Solid Angle

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Physics
A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is :

0.20902777777778
0.12777777777778
0.21111111111111
0.12638888888889

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