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Physics

Physics
Positive feedback is used in

Amplifiers
None of these
Rectifiers
Oscillators

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Physics
Universal gates are

NAND and NOR
AND and OR
OR and NOT
AND and XOR

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Physics
Decibel is the unit used for

Intensity of sound
Intensity of heat
Speed of light
Radio wave frequency

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Physics
Alternating current is converted into direct current by a

Transformer
Oscillator
Rectifier
Dynamo

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Physics
A person is hurt on kicking a stone due to

Momentum
Velocity
Reaction
Inertia

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Physics
Which phenomena shows the particle nature of light?

Polarisation
Diffraction
Interference
Photoelectric effect

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MORE MCQ ON Physics

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