Question

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Answer 1

Answer:

1). Which----law.

Ans. b) n1/n2=sin r/sin i

2). The refractive-----interface is.

Ans. c) 30 degree

3). Total internal-----from

Ans. c) Denser to rarer meduim

4). The angle-----slab is.

And. a) 0

Answer 2

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