Question

in the adjacent figure find the refractive index (sin45°=1/√2
​

Answer 1

Answer:

=μ>1.41

Explanation:

sinr

sini

=n

answer c is correct

For total internal reflection θ>c

sinθ>sinc⇒sinθ>

μ

1

μ>

sinθ

1

⇒μ>

sin45

0

1

=μ>1.41

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