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AP Physics 2
13.3 Refraction
BeginnerMCQConceptual23.8k
Light ray incident on a water-air interface.
Light ray incident on a water-air interface.
A ray of light traveling in water (\(n_{\text{water}} = 1.33\)) approaches a flat interface with air (\(n_{\text{air}} = 1.00\)) at an angle of incidence of \(60^\circ\) relative to the normal. Given that \(\sin(49^\circ) \approx 0.75\) and \(\sin(60^\circ) \approx 0.87\), does total internal reflection occur, and what is the behavior of the light at the boundary?

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