Question

Identify the situations where the light ray does not change the direction

during the refraction. [ ]

A) Light ray makes an angle of 0 degrees with normal while traveling from

rarer medium to denser medium.

B) Light ray makes an angle of zero degree with the normal while traveling from

denser medium to rarer medium.

C) Light ray makes a small angle with the normal while traveling from

rarer to denser medium.

D) When refractive index of two mediums are same.

A) A,B B) B ,C C) C,D D) A, D​

Answer 1

Answer:

A) Light ray makes an angle of zero degree with the normal while traveling from. denser medium to rarer medium. C) Light ray makes a small angle with the normal while traveling from. rarer to denser medium.

B)