1.

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»

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 .....
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jai HIND....
jai mahakal...



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