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Physics

Physics
Loudness of sound depends on

Frequency
Wavelength
Pitch
Amplitude

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Physics
During uniform motion of an object along a straight line, its ________ remains constant with time.

Force
Acceleration
Deceleration
Velocity

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Physics
Heat energy is transferred by conduction whenever molecules

All of these
Means of photons
Collide each other
Particles replaces there places

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Physics
The device which converts AC to DC is

None of these
Rectifier
Amplifier
Oscillator

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Physics
The width of depletion layer of a P-N junction

Is increased under reverse bias
Decreases with light doping
Increases with heavy doping
Is independent of applied voltage

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Physics
Which of the following is not reversible?

Thomson effect
Joule effect
Seebeck effect
Peltier effect

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