Refraction of light explain....
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Refraction is the bending of a wave when it enters a medium where its speed is different. 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 .
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Refraction is a change on the direction of the light when pass from a medium to another one.
For example when light pass from air to water, the direction of the light changes on an angle.
That's why you see a pencil broken when you put it inside a glass of water.
Refraction is due speed of light is different from one medium to another one. If on the 2 mediums speed of light is the same, there's no refraction. For example on glass and glycerin the speed of light is the same, then no refraction happen. You can see that video in wich glass dissapears magically on glycerin:
For example when light pass from air to water, the direction of the light changes on an angle.
That's why you see a pencil broken when you put it inside a glass of water.
Refraction is due speed of light is different from one medium to another one. If on the 2 mediums speed of light is the same, there's no refraction. For example on glass and glycerin the speed of light is the same, then no refraction happen. You can see that video in wich glass dissapears magically on glycerin:
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