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Physics

Physics
The unit of measurement of noise is

Decibel
Hertz
Amplifier
Acoustics

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Physics
If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?

LUV < lVIS < lIR
LUV > lIR > lVIS
LUV < lIR < lVIS
LUV > lVIS > lIR

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Physics
An aircraft can perform aerobatic manoeuvres in a vertical loop because of

Weight
Centrifugal force
Gravity
Centripetal force

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Physics
Pick out the scalar quantity

Force
Velocity
Pressure
Acceleration

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Physics
Ampere second could be the unit of

Charge
Power
Energy
Conductance

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Physics
The inability of a body to change its state of rest or uniform motion along a straight line is called its

Acceleration
Inertia
Momentum
Velocity

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