Question

the answer is (b) moves away from the slab but how???? no wrong answers please.... YOU WILL GET 15 POINTS FOR THE RIGHT ANSWER AND EVEN THE BRAINLIEST​

Answer 1

Answer:

i think it's ans is (a)

Explanation:

as light will move forward and if slab is placed forward then it will go towards it

if my answer is wrong then please delete it

Answer 2

Explanation:

Answer:-

a option is correct

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