'O' Level Standard Questions - RefractionQ7.
nairsin θair = nwatersin θwater sin 90o = 1.33 x sin θwater sin θwater = 1/1.33 = 0.75 θc = 48.6o (a) The critical angle for water is 48.6o
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'O' Level Standard Questions - RefractionQ7.
nairsin θair = nwatersin θwater sin 90o = 1.33 x sin θwater sin θwater = 1/1.33 = 0.75 θc = 48.6o (a) The critical angle for water is 48.6o
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