Question

what is critical angel ? write down its value for water and air media​

Answer 1

Answer:

In optics as a topic of Physics, the critical angle makes reference to a particular angle of incidence, which gives an angle of refraction of 90 degrees. Additionally, a water-air boundary has critical value 48.6 degrees. While the critical angle for crown water and glass boundary is 61.8 degrees.

Answer 2

Answer:

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