- #1

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the light enters at 0 degrees. It goes to the hypotenuse. Can someone draw me the picture of how it looks like? If it strikes less than the critical angle, then the light will pass through. But how do I find the critical angle?

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- Thread starter MCATPhys
- Start date

- #1

- 58

- 0

the light enters at 0 degrees. It goes to the hypotenuse. Can someone draw me the picture of how it looks like? If it strikes less than the critical angle, then the light will pass through. But how do I find the critical angle?

- #2

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1.4sinx = 1sin90

so the critical angle is x = 45 degrees

But how do I find the angle of incidence for the ray inside the prism?

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