Question

3 plane with sir places such that angle between the first and the second or second and third is the same theta a light striking the first period after the reflection at the 3 minutes images opposite to the initial directions the value of theta can be

Answer 1

here is ur answer ...
the all 3plane are kept at equal angles
nd we know that sum of 3 angles is 180
therefore 180 divided by 3=60
so 60 degree is the req ans
hope it helps .....
plz mark it as brainliest answer..
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