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Physics

Physics
The magnitude of buoyant force depends on the ________ of the fluid.

Density
Temperature
Mass
Volume

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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
In the electrical circuit of a house, the fuse acts as

A safety device
A load
A thermopile
A step down device

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Physics
According to special theory of relativity the mass of a particle

Increases with increase in velocity with respect to an observer.
Decreases with increase in velocity.
Is independent of its velocity.
Decreases with decrease in velocity.

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Physics
When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are

Both longitudinal and transverse
Waves are not produced
Longitudinal
Transverse

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Physics
Which electromagnetic radiation is used for satellite communication ?

Millimeter wave
Radiowave
Ultraviolet
Infrared

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