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Physics

Physics
Sound becomes hazardous noise pollution at decibels?

Above 120 db
Above 80 db
Above 30 db
Above 50 db

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Physics
Nuclear reactors used to produce electricity are based on

Superconductivity
Nuclear fusion
Nuclear fission
Cold fusion

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Physics
Sound waves in air are

polarised
transverse
longitudinal
electromagnetic

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Physics
What is found in frequency modulation ?

Fixed frequency
Change in frequency and dimension
Change in dimension only
Fixed dimension

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Physics
Beta rays emitted by a radioactive material are

Electromagnetic radiations
The electrons orbiting around the nucleus
Neutral particles
Charged particles emitted by nucleus

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Physics
Which one among the following components can not be developed within an ''integrated circuit'?

Diode
Transformer
Triode
Transistor

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MORE MCQ ON Physics

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