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Light ray travels from air to glass and air to water, as shown in figure (i) and (ii) respectively. What is refraction angle for figure (iii) ? |
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Answer» SOLUTION :`""^a mu_g=(sin60^@)/(sin35^@)`…......(1) `""^a mu_w=(sin60^@)/(sin41^@)`…......(2) `""^w mu_g=(sin41^@)/(sintheta^@)`…......(3) `""^amu_g=""^amu_wxx""^wmu_g` `(sin 60^@)/(sin35^@)=(sin60^@)/(sin41^@)xx(sin41^@)/(sintheta)` `therefore sin theta=sin 35^@` `therefore theta=35^@` |
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