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Physics

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

Absorption
Emission
Reflection
Scattering

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Physics
Bubbles of air rise up through liquids due to

Surface tension and adherence
Viscosity and buoyancy
Air current over the liquid and buoyancy
Up thrust and surface tension

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Physics
If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is

5 J
500 J
20 J
0.2 J

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Physics
Which electromagnetic radiation is used for satellite communication ?

Millimeter wave
Ultraviolet
Radiowave
Infrared

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Physics
The force that keeps a body in a circular motion called

The centripetal force
The centrifugual force
The frictional force
All listed here

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Physics
The phenomenon which causes mirage is

Polarisation
Interference
Total internal reflection
Diffraction

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MORE MCQ ON Physics

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