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# What happens to the angle of the wave if it hits the perspex at 90 degrees?

Updated: 9/23/2022

Wiki User

11y ago

It does not change.

Wiki User

11y ago
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Q: What happens to the angle of the wave if it hits the perspex at 90 degrees?
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### What happens to the direction of a light ray as it moves from air into Perspex?

what happens is the light is refracted or bent to the normal as in the other surface the line is refracted away from the normal refracted light coming out of the perspex block is parallel to the incident light refraction is caused as the light hits the block from a different angle lets say 25 degrees the particles are normally all lined up and go the same speed but as it hots the block from a different angle one particle will hit first the block and then the next and so on making each particle separate causing it to bend.

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the angle of the ray of reflection is equal to the angle of the ray of incidence, in other word if a light wave hits glass at an angle of 30 degrees, the angle of reflection will also be 30 degrees

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