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Physics

Physics
The unit of measurement of noise is

Decibel
Hertz
Acoustics
Amplifier

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Physics
Which among the following is false about displacement?

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

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Physics
Ohm's law is valid in case of

Superconductor
Insulator
Conductor
Semiconductor

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Physics
Safety fuse wire used in domestic electrical appliances is made of metal of low

Specific gravity
Melting point
Resistance
Conductance

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Physics
Energy travels from Sun to Earth through

Radiation
Modulation
Convection
Conduction

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Physics
Temperature of distant luminous bodies can be determined by

Mercury thermometers
Gas thermometers
Pyrometers
Colour thermometers

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