Science, asked by yana85, 1 year ago

HEYA!!!!

PLZ.... HELP ME IN THIS QUESTION

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Answered by Prabhnoorsinghrehal
3

the angle of incidence = 90-30=60

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Answered by paryuljain23
1

тнє αηgℓєσƒ ιη¢ι∂єη¢є σƒ αм = 90 - 30

=60

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