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In the figure light refraction is shown at the air glass interface when light travels from rare to denser medium,the ray bends towards the normal with angle of refraction less than angle of incidence.(i) lf angle of incidence is iI > 2i, then angle of refraction is(a) 2i(b) >2 i(c) < 2i(d) None of these(ii) For what value of angle of incidence total internal reflection (TIR) takes place?(a) 90º (b) 48º (c) 30º (d) For no value |
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Answer» Correct answer is (i) (c) (ii) (d) |
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