Re: reflection

nakul.das@xxxxxxxxx wrote:
>
> if a plane mirror is moved through an angle alpha, prove that the
> reflected ray moves througha an angle 2(alpha).
>
> i know its easy. help me!

It would better thta somebody more competent take your place.
Incoming and outgoing, in both cases.

--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz.pdf
.

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