Question

N
Air
Glass
M,
AP
А A
B
Air
M​

Answer 1

D

2

3

sin45

o

=μsinr

sinr=

2

μ

1

sin(90

o

−θ

C

)=

2

μ

1

μ

μ

2

−1

=

2

μ

1

μ

2

−1=

2

1

μ=

2

3