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Physics

Physics
Which one type of radiation has the longest wave length

X-ray
Radio Wave
Infrared
Ultraviolet

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Physics
In a nuclear reactor, one of the following is used as a fuel.

Radium
Coal
Diesel
Uranium

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Physics
The propagation of sound waves in a gas involves

Adiabatic compression and rarefaction
Isothermal compression and rarefaction
Isobaric compression and rarefaction
Isochoric compression and rarefaction

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Physics
If cream is removed from milk, its density

Increases
Remains the same
May increase or decrease
Decreases

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Physics
A fountain pen works on the principle of

Viscosity of liquids
Bernoulli's principle
Flow of liquids from higher to lower potential
Capillary action

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Physics
Tungsten is used for the manufacture of the filament of an electric bulb, because

It is malleable
It has a very high melting point
It is economical
It is a good conductor

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