Question

Application of refraction of light

Answer 1

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# Refraction is the bending of a wave.

# The refraction of light when it passes from a fast medium to a slow medium bends the light ray toward the normal to the boundary between the two media.

# When it enters a medium, where its speed is Different.

■ Causes of refraction :

=> Refraction is merely one of several possible boundary.

=> it behaviours by which a light wave could behave, when it encounters a new medium.

=> or, an obstacle in its path.

■ Note that point, in your mind :

{ Light travels in straight line, as it passes through a transparent substance. }

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