The critical angle of incidence in a glass slab surrounded by air (nair = 1) is 42°. %3D What will be the critical angle when the glass slab is immersed in a liquid of refractive index V2? 71.13° 65.37° 61.54° O 75.71° O 79.23°

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The critical angle of incidence in a glass slab surrounded by air (nair = 1) is 42°.
What will be the critical angle when the glass slab is immersed in a liquid of
refractive index V2?
71.13°
65.37°
61.54°
75.71°
O 79.23°
Transcribed Image Text:The critical angle of incidence in a glass slab surrounded by air (nair = 1) is 42°. What will be the critical angle when the glass slab is immersed in a liquid of refractive index V2? 71.13° 65.37° 61.54° 75.71° O 79.23°
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