A ray of light is incident on a glass plate of refractive index 1.54. If the reflected ray is completely plane polarised, find (i) angle of incidence (ii) angle of refraction and (iii) crictical angle. Given tan 57^(@)=1.54 and sin 40.5^(@)=0.6493.

A ray of light is incident on a glass plate of refractive index 1.54.

1.	A ray of light is incident on a glass plate of refractive index 1.54. If the reflected ray is completely plane polarised, find (i) angle of incidence (ii) angle of refraction and (iii) crictical angle. Given tan 57^(@)=1.54 and sin 40.5^(@)=0.6493.
Answer» ANSWER :(i) `57^(@)` (II) `33^(@)` (III) `40.5 ^(@)`

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A ray of light is incident on a glass plate of refractive index 1.54. If the reflected ray is completely plane polarised, find (i) angle of incidence (ii) angle of refraction and (iii) crictical angle. Given tan 57^(@)=1.54 and sin 40.5^(@)=0.6493.

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