Science, asked by nikitayenarwar, 1 year ago

plz answer this qustion

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Answered by srinethi15

1

angle of reflection 30,45,60
angle of emergence ( i+r)-360

nikitayenarwar: thanks

srinethi15: ok

Answered by nagdevejagdish5

0

Explanation:

30 20 30

45 30 45

60 39 60

this is the answer

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