A plate of plastic with parallel faces having a refractive index of 1.45 is resting on the surface of water in a tank. A ray of light coming from above in air makes an angle of incidence 32.0° with the normal to the top surface of the plastic. (Figure 1)
A plate of plastic with parallel faces having a refractive index of 1.45 is resting on the surface of water in a tank. A ray of light coming from above in air makes an angle of incidence 32.0° with the normal to the top surface of the plastic. (Figure 1)
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Transcribed Image Text:What angle does the ray refracted into the water make with the normal to the surface? Use 1.33 for the index of refraction of water.
Express your answer in degrees.
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A plate of plastic with parallel faces having a refractive index of 1.45 is
resting on the surface of water in a tank. A ray of light coming from above
in air makes an angle of incidence 32.0° with the normal to the top
surface of the plastic. (Figure 1)
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