Question

The critical angle with respect to air for a medium X is 60° and that for medium Y is 45°. Calculate the ratio of velocity of light in medium X to that in medium Y.

Answer 1

Answer:

Correct option is

B

2

3

μ

Y

μ

X

=

sin60

o

sin45

o

=

v

X

v

Y

v

X

v

Y

=

2

1

/

2

3

⇒

v

Y

v

X

=

2

3