A ray of light leaves air (n = 1) and enters glass (n = 1.5). Once inside the glass, the light is at an angle of 30° rel

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answerhappygod
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A ray of light leaves air (n = 1) and enters glass (n = 1.5). Once inside the glass, the light is at an angle of 30° rel

Post by answerhappygod »

A ray of light leaves air (n = 1) and enters glass (n = 1.5).
Once inside the glass, the light is at an angle of 30° relative to
the normal. What angle did it enter the glass relative to the
normal?
58.5 degrees
34.5 degrees
24.5 degrees
48.5 degrees
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