Question

2. 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.
A) A,B,C B) B.C,D C) A.C.D D) A.BD​

Answer 1

Answer:

Where is the statement (D) ? but the answer till now is (A) AND (B)

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