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Physics quiz 21

Physics quiz 21

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Quiz Questions And Answers

The atmosphere is heated mainly by:

Insolation
Conduction
Radiation
Convection

A device used for converting AC into DC is called:

transformer
rectifier
induction coil
dynamo

Energy of Ultraviolet rays is greater than:

Infra-red rays
Gamma rays
X-rays
Cosmic rays

To an astronaut, the sky appears:

white
rich blue
light blue
dark

The instrument used to measure the speed of the wind is:

Altimeter
Anemometer
Chronometer
Dosimeter

Who defined the law of gravitation?

Newton
Archimedes
Galileo
Faraday

The metal used to make lightning conductors is:

Iron
Aluminiur
Copper
Zinc

'IC' in computers stands for:

Integrated Charge
Integrated Current
Integrated Circuits
Internal Circuits

A hydrogen balloon floats up because of

air pressure decreases with decrease in height.
air pressure decrease with decrease in weight.
weight of the balloon is less than the weight of air displaced by it.
the pressure inside the balloon is more than the pressure outside it. Next Question

In a rechargeable cell what kind of energy is stored within the cell?

Electrical energy
Potential energy
Chemical energy
Kinetic energy
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