help me out with this question
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harshitagarwal624:
50..
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Answered by
0
I think
y=90-40
y=50
because we know that normal always when fall on mirror make 90 degree angle
hope it will really help u
by
Ankita ❤️ ❤️
Answered by
1
We knoe that Normal ray is alway perpendicular to tha plane.. therefore. according to figure
40 + y = 90
y = 90-40
y = 50
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