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Physics

Physics
A device used for converting a.c. into d.c. is called

Induction coil
Dynamo
Transformer
Rectifier

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Physics
The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is

Interference
Reflection
Diffraction
Dispersion

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Physics
Tape recorder should not be kept near one of the following things :

Radio
Magnet
Clock
Electrical switchboard

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Physics
Danger signals are generally red as red light

Gives comfort to eye
Undergoes least deviation
Has lowest velocity
Is least bright

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Physics
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by

Chlorine
Ammonia
Ozone
Carbon dioxide

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Physics
The unit of electrical power is

Ampere
Bolt
Kilowatt hour
Watt

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MORE MCQ ON Physics

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