Question

The angle of prism is given 120° and other two are equally 30° angles. The incident ray incident with the angle of 30° from its one face. complete the path of ray through the prism with a refractive index of √3 from air . Also calculate the final angle of emergence.​

Answer 1

Answer:

Given, i=60

∘

,A=30

∘

,δ=30

∘

δ=(i

1

+i

2

)−A

r

1

+r

2

=A

30=60+i

2

−30

i

2

=0

⇒r

2

=0

⇒r

1

=30

∘

1sin×60=μ×sin30

⇒μ=

3

Explanation:

change the degree as 120