The critical angle of a piece of object in air is 40°. Find the critical angle of same piece of glass if it is immersed in water. (er 1.33) (а) 29° (b) 40° (c) 620 (d) 20

Principles of Physics: A Calculus-Based Text
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Chapter25: Reflection And Refraction Of Light
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The critical angle of a piece of object in air is 40°. Find the critical angle of same piece of
glass if it is immersed in water. (er 1.33)
(а) 29°
(b) 40°
(c) 620
(d) 20
Transcribed Image Text:The critical angle of a piece of object in air is 40°. Find the critical angle of same piece of glass if it is immersed in water. (er 1.33) (а) 29° (b) 40° (c) 620 (d) 20
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