Physics, asked by meenakshikj07, 3 months ago

63. To a fish, the plane surface of earth appears to be enclosed
within an angle of
ya) 60 °
(b)180 (c)97 • (d)45°​

Answers

Answered by sudarshanpatel795
3

Explanation:

If the angle of incidence exceeds critical angle light rays are reflected back in denser medium. In your case water is a denser medium than air and critical angle is 48.5 for water. It's a fact that earth surface appear to be enclosed with an angle double of critical angle. Thus for a fish it's 97

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