A ray of light enters from a rarer to a denser medium. The angle of incidence is 
Then the reflected and refracted rays are mutually perpendicular to each other. The critical angle for the pair of media is
a)
b)
c)
d)
A ray of light enters from a rarer to a denser medium. The angle of incidence is Then the reflected and refracted rays are mutually perpendicular to each other. The critical angle for the pair of media is
a)
b)
c)
d)
Question ID - 152880 | SaraNextGen Top Answer
A ray of light enters from a rarer to a denser medium. The angle of incidence is Then the reflected and refracted rays are mutually perpendicular to each other. The critical angle for the pair of media is
a)
b)
c)
d)
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A ray of light enters from a rarer to a denser medium. The angle of incidence is |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
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(c) From law of reflection, And From the figure,
Or
From Eq. (ii), Or But
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127 votes
Answer Link
127