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PHYSICS

Physics
The angle between the ________ and the incident ray is called the angle of incidence.

Normal
Tangent
Surface
Reflected ray

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Physics
A periscope works by the principle of

Refraction
Total internal reflection
Reflection
Diffraction

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Physics
A periscope works on the principle of

Refraction
Total internal reflection
Diffraction
Reflection

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Physics
Total internal reflection can not take place when light goes from :

Water to glass
Glass to water
Water to air
Glass to air

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Physics
A rear-view mirror for driving is

Inverted
Plain
Concave
Convex

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