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Physics

Physics
In SONAR which kind of wave is used?

Ultrasonic
Infrasonic
Audible sound
Radio

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Physics
Which among the following is false about displacement?

Its SI unit is meter
It is always positive
Displacement is never greater than Distance
It can be positive, negative or zero

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Physics
Bats can sense obstacles because they produce

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

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Physics
The velocity of heat radiation in vacuum is

Equal to that of light
Greater than that of light
Equal to that of sound
Less than that of light

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Physics
The metal whose electrical conductivity is more, is

Aluminium
Lead
Copper
Silver

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Physics
Infrasonic sound has a frequency lower than

32 Hz
15 Hz
20 Hz
5 Hz

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MORE MCQ ON Physics

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