Question

a. A ray of light travels from transparent medium A of refractive index 2.2 to another
transparent medium B of refractive index 1.3
i. Mention what happens to its direction.
ii.What happens to the speed of light as it travels from medium A to medium B.

Answer 1

Answer:

According to Snell's Law:

sinθ

2

sinθ

1

=

v

2

v

1

=

n

1

n

2

This means n

1

v

1

=n

2

v

2

If speed of light travelling from from medium 1 to 2 decreases, then refractive index of medium 2 is more than that of medium 1.

Explanation:

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