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Byju's Answer
Standard IX
Physics
Image Distance and Object Distance
In a glass sl...
Question
In a glass slab, if the angle of incidence and emergence of light is i and e, then:
A
i + e = 90
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B
i - e = 0
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C
i = 2e
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D
i = 0.5e
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Q.
Prove the following statements.
a. If the angle of incidence and angle of emergence of a light ray falling on a glass slab are i and e respectively, prove that, i = e.
b. A raibow is the combined effect of the refraction, dispersion, and total internal reflection of light.