FUNDAMENTAL PHYSICS (One-Liner + MCQs)

KEY POINTS

• The shortest distance between two points is called Displacement.

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• The rate of change of displacement is called Velocity.

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• “Stoke’s law” holds for motion through a viscous medium.

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• The velocity of light in air or vacuum is 3 × 10⁸  meter per second.

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• Soap film in sunlight appears colored due to “Interference”.

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• Water waves are the example of “Transverse wave”.

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• Sound waves are the example of “Longitudinal wave”.

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• An average human ear can hear sound of frequency between 20 to 20,000 hertz.

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• The ability or capacity to do work is called Energy.

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• Energy possessed by a body due to its motion is called Kinetic energy.

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