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Physics

Physics
The atmospheric layer reflecting radio waves is called

Mesosphere
Ozonosphere
Ionosphere
Stratosphere

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Physics
What is the unit of relative density?

Kg/m2
It has no unit
Kg/m3
Kg/m

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Physics
Water is used in car radiator because of its

High specific heat capacity
Easy availability
Low density
Low boiling point

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Physics
If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?

Momentum
Kinetic Energy
Velocity
Acceleration

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Physics
The instrument used to measure the speed of the wind is

Chronometer
Anemometer
Dosimeter
Altimeter

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Physics
Fiber optics cable used in communication, works on the principle of

Refraction of light
Regular reflection of light
Total internal reflection of light
Diffuse reflection of light

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MORE MCQ ON Physics

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