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Physics

Physics
Small bubbles are perfectly spherical because of

Surface tension
Viscosity
Gravity
Pressure

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Physics
The fact that two large ships travelling on close parallel courses in the same direction tend to move towards each other can be explained by

Newton's third law of motion
Earth's gravitational force
Magnetic properties of the ship's material
Bernoulli's principle

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Physics
Forged documents are detected by

Gamma rays
Infra-red rays
Ultraviolet rays
Beta rays

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Physics
The unit of electrical power is

Watt
Bolt
Ampere
Kilowatt hour

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Physics
Rear view mirror of car is convex or concave?

Concave
Both A & B
Can't be determined
Convex

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Physics
If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________.

30 m
3 m
300 m
0.3 m

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MORE MCQ ON Physics

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