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Physics

Physics
The unit of electrical power is

Ampere
Kilowatt hour
Bolt
Watt

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Physics
The lift of an aeroplane is caused by

Law of gravitation
Bernouli's theorem
Pascel's law
Theorem of continuity

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Physics
A bird sitting on a high tension electric wire does not get electrocuted because

Its feet are good insulators
It has high resistance
The body is earthed
It does not form a closed path for the flow of current

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Physics
Which of the following laws validates the statement that matter can neither be created nor destroyed ?

Law of conservation of energy
Law of osmosis
Le Chatelier's Principle
Law of conservation of mass

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Physics
Bats can sense obstacles because they produce

Infrasonic sound waves
Micro sound waves
Supersonic sound waves
Ultrasonic sound waves

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Physics
The density of a gas is maximum at

Low temperature, low pressure
High temperature, low pressure
High temperature, high pressure
Low temperature, high pressure

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MORE MCQ ON Physics

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