A beam of light passes from air (n=1.00) through a thick glass slab (n=1.50) into water (1.333). If the beam of light make an angle of 30 degrees with respect to the normal to the slab from air, what can you say about the angle that the light makes with the normal on its way out of the slab into the water? 1) makes an angle greater than 30deg 2) makes an angle smaller than 30 deg 3) makes an angle exactly 30 deg 4) need more info

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