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Physics

Physics
Alpha particle is the nucleus of an atom of

Hydrogen
Oxygen
Helium
Lithium

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Physics
The device used to change the speed of an electric fan is

Amplifier
Switch
Rectifier
Regulator

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Physics
If the velocity of a body is halved its kinetic energy ________

Is also doubled
Becomes 1/4 th
Become 4 times
Becomes half

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Physics
A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will

Decrease
Increase
First decrease and then increase
Remains the same

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Physics
Momentum is measured as the product of :

Mass and acceleration
Mass and force
Mass and inertia
Mass and velocity

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Physics
Lakes freeze in cold countries in winter, leaving the water underneath at

4°C
4°F
0°C
0°F

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MORE MCQ ON Physics

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