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Physics

Physics
A transformer works on the principle of

Inverter
Mutual induction
Self induction
Generator

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Physics
When a running car stops suddenly, the passengers tends to lean forward because of:

Centrifugal force
Gravitational force
Inertia of motion
Inertia of rest

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Physics
Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as:

Absolute humidity
Mixing ratio
Relative humidity
Specific humidity

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Physics
The velocity of sound in moist air is more than in dry air because the moist air has

More pressure than dry air.
Less density than dry air.
Less pressure than dry air.
More density than dry air.

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Physics
The instrument which uses sound waves to measure the depth of oceans is

Altimeter
Venturimeter
Sonar
Radar

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

Red oxide
Mercury
Silver nitrate
Silver

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MORE MCQ ON Physics

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