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Physics

Physics
A gradual increase in loudness is known as

Crescendo
Fortissimo
None of these
Timbre

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Physics
The increasing order of the refractive index of certain materials is (left to right) ________

Kerosene, Ice, Benzene, Rock Salt
Ice, Kerosene, Benzene, Rock Salt
Rocksalt, Benzene, Kerosene, Ice
Rock Salt, Ice, Benzene, Kerosene

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Physics
The direction of heat flow between two objects depends on

Whether they are in solid, liquid or gaseous state
Their heat contents
Their temperatures
Their masses

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Physics
Moment of inertia is:

Vector
Tensor
Scalar
Phasor

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Physics
Which of the following is not a valid conservation law of classical physics?

Law of conservation of charge
Law of conservation of energy
Law of conservation of angular momentum
Law of conservation of current

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Physics
Ball bearings are used in cycles, scooters etc to

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

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