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Physics

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

Mercury
Silver nitrate
Silver
Red oxide

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Physics
Which determines the frequency of a sound wave?

Amplitude
Medium
Speed
Source

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Physics
Point A is at a lower electrical potential than point B. An electron between them on the line joining them will

Move towards A
Remain at rest
Move at right angles to the line joining A and B
Move towards B

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Physics
Pure water is bad conductor of electricity because it is

A non-polar solvent
A very good solvent
Feebly ionized
Not volatile

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Physics
The following particles move with same kinetic energy. Which of them has maximum momentum ?

Electron
Alpha Particle
Proton
Deutron

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Physics
Ozone layer in the outer atmosphere helps us in

Absorbing UV radiations
Reflecting radio waves and makes radio communication possible
Regulating the temperature of atmosphere
Absorbing cosmic ray particles

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MORE MCQ ON Physics

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