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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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Answer» 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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