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Two plane mirrors are inclined at angle ...

Two plane mirrors are inclined at angle `theta` as shown in figure. If a ray parallel to OB strikes the other mirror at P and finally emerges parallel to OA after two reflections then `theta` is equal to

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The correct Answer is:
`theta = 60^(@)`
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SL ARORA-RAY OPTICS-Problems For Self Practice
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  3. Two plane mirrors are inclined at angle theta as shown in figure. If a...

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  13. When an object is placed at a distance of 60 cm from a convex spherica...

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  14. A convex mirror produces a magnification of 1//2 when the object is pl...

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