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Physics

Physics
The sound produced by a bat is–

Infrasonic
Subsonic
Audible
Ultrasonic

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Physics
0°K is equivalent to

– 273°C
0°C
273°C
100°C

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Physics
Which elements are malleable and good conductors of electricity?

Iodine and xenon
Tin and silver
Iodine and silver
Tin and xenon

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Physics
Which of the following features of a tunnel diode is its drawback

Instability due to negative resistance
Extremely high frequency response
Very low power consumptions
Very wide temperature range of operations

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Physics
Ozone layer in the outer atmosphere helps us in

Regulating the temperature of atmosphere
Absorbing cosmic ray particles
Reflecting radio waves and makes radio communication possible
Absorbing UV radiations

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Physics
A decibel is

A musical note
A measure of sound level
The wavelength of noise
A musical instrument

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MORE MCQ ON Physics

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