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PHYSICS

Physics
In which one of the following the phenomenon of total internal reflection of light is used ?

Formation of rainbow
Working of binoculars
Formation of mirage
Twinkling of stars

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Physics
Which type of mirror is used in the head lights of vehicles ?

Convex mirror
Plane mirror
Parabolic mirror
Concave mirror

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Physics
If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used?

Cylindrical
Plane
Concave
Convex

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Physics
A mirage occurs because of

Reflection by hot ground
Diffraction of light
Interference of light
Total internal reflection by layers of air

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Physics
Optical fibres are based on the phenomenon of

Interference
Diffraction
Total Internal Reflection
Dispersion

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