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Physics

Physics
The paramagnetic theory of magnetism applies to

Mercury
Nickel
Iron
Platinum

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Physics
To measure the speed of an approaching car a police officer shines

Microwaves on it
Radio waves on it
Ultra high frequency waves on it
Light waves on it

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Physics
Solar energy is due to

Fission reactions
Fusion reactions
Chemical reactions
Combustion reactions

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Physics
Ball bearings are used in cycles, scooters etc to

Reduce the friction between ground and the whee
Reduce the friction between the wheel and the axle
None of these
Increase the friction between the wheel and the axle

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Physics
Fog is an example of

Solid dispersed in gas
Solid dispersed in liquid
Gas dispersed in gas
Liquid dispersed in gas

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Physics
In quantum mechanics a particle is represented by a

None of these
Wave
Particle
Wave packet

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