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23 Nov 2019
Two mirrors make an angle of 135 degrees with each other. A light ray is incident on the first mirror at angle of 60 degrees to the mirror
Two mirrors make an angle of 135 degrees with each other. A light ray is incident on the first mirror at angle of 60 degrees to the mirror
asifasabirLv10
6 Jun 2023
Nestor RutherfordLv2
18 Feb 2019
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