Please clarify

Asked by akheelfiroz | 20th Dec, 2009, 07:58: PM

Expert Answer:

Refer to the above figure.  As we can see rotating the mirror through angle Φ, rotates the normal through the same angle. It's evident from the figure that the reflection ray turns by 2Φ.




Answered by  | 20th Dec, 2009, 09:55: PM

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