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Physics

Physics
A boat will submerge when it displaces water equal to its own:

Volume
Density
Surface area
Weight

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Physics
Radio activity is due to

Stable nucleus
Unstable nucleus
Stable electronic configu-ration
Stable electronic configu-ration

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Physics
A solid needle placed horizontally on the surface of the water floats due to

Surface tension of water
Viscosity of water
Capillary action
Water pressure

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Physics
The speed of light in air is

Infinity
8 × 103 m/s
3 × 10–8 m/s
3 × 108 m/s

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Physics
The light rays used for eliminating bacteria

Microwave radiation
Ultra-violet radiation
X-rays
Infrared rays

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Physics
The magnitude of buoyant force depends on the ________ of the fluid.

Volume
Density
Mass
Temperature

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MORE MCQ ON Physics

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