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The angle of deviation is minimum at 1...

The angle of deviation is minimum at
1. i &e are symmetric about prism
2. i = e
3. ray inside prism is parallel to prism
4. e = 2i

A

all 1,2,3

B

1,3

C

2,3

D

3,4

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B
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