Science, asked by sheetalshaw, 3 months ago

What a light ray makes an angle of 90° while entering a glass slab from air it
1 ) Bends towards the normal.
2) goes away from the normal.
3) goes straight without bending at
glass air interface
4) Retuns back into the air

Answers

Answered by amolmane8868

3

Answer:

1. Bends towards the normal

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