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Physics

Physics
Rate of change of displacement is known as ________

Speed
Distance
Velocity
Acceleration

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Physics
The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes?

2.0958333333333
1.0479166666667
0.12847222222222
0.21041666666667

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Physics
On which of the following techniques photostate machine works ?

Thermal Image—Making
Electrostatic Image—Making
Magnetic Image—Making
Electromagnetic Image— Making

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Physics
In mirrors the back surface is coated with a thin layer of :

Silver nitrate
Silver
Red oxide
Mercury

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Physics
A car parked in the sun with its windows closed gets terribly hot inside. This is due to

The good conducting power of the metal body
The heat emitted by the engine
The greenhouse effect
The double layered wind shield

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Physics
The hair of shaving brush clings together when removed from water due to

Surface tension
Elasticity
Friction
Viscosity

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MORE MCQ ON Physics

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