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Physics

Physics
Which term is not associated with sound wave?

Mach
Hertz
Candela
Decibel

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Physics
Stars in the sky appear to twinkle due to

A surface tension phenomenon
A series of refractions
A series of reflections
Multiple diminishing brightness

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Physics
Out of the following, which is not emitted by radioactive substance?

Alpha particles
Electromagnetic radiations
Electrons
Neutrons

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Physics
Out of the following pairs, which one does not have identical dimension?

Angular momentum and Planck's constant
Impulse and Momentum
Moment of inertia and moment of a force
Work and Torque

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Physics
Stars appear twinkling because of ......... of light.

Emission
Reflection
Absorption
Scattering

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Physics
Sound of frequency below 20 Hz is called

ultrasonic
supersonics
audio sounds
infrasonic

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MORE MCQ ON Physics

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