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Two media having speeds of light  and  are separated by a plane surface. What is the angle for a ray going from medium I to medium II?

a)

b)

c)

d)



Question ID - 152686 | SaraNextGen Top Answer

Two media having speeds of light  and  are separated by a plane surface. What is the angle for a ray going from medium I to medium II?

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

The critical angle  is given by

Where  is refractive index of less denser medium and  is refractive index of the denser medium.

Also,

Given,

127 votes


127