Light And Lasers Flashcards

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0
Q

What happens if the angle of incidence is above the critical angle?

A

The light is totally internally reflected

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1
Q

What happens to the light is the angle of incidence is below the critical angle?

A

The light is refracted away from the normal

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2
Q

What happens if the angle of incidence is = to the critical angle?

A

The light travels along the glass air boundary

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3
Q

What produces light for communication?

A

Lasers

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