1.

Two plane mirrors are held parallel to each other and at an angle 45∘ to the line joining them as shown in figure. What will be the angle between incident ray and emergent ray ( ray after reflection from a second mirror) ?

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Two plane mirrors are held parallel to each other and at an angle 45 to the line joining them as shown in figure. What will be the angle between incident ray and emergent ray ( ray after reflection from a second mirror) ?



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