Question

if the direction of light ray is Reserve the value of angle of incidence and angle of reflection remain steam this implies​

Answer 1

From Snell's Law, μ=

sinr

sini

As r=

2

i

So, μ=

sin

2

i

sini

=

sin

2

i

2sin

2

i

cos

2

i

=2cos

2

i

⇒cos

2

i

=

2

μ

⇒

2

i

=cos

−1

2

μ

⇒i=2cos

−1

2

μ

.

Answer 2

Answer:

mark as brainly

Explanation:

in this question used law of relflation in which angli I is = to angle R then