Two plane mirrors intersect at right angles. A laser beam strikes the first of them at a point 11.5 cm from their point of intersection, For what angle of incidence at the first mirror will this ray strike the midpoint of the second mirror (which is 28.0 cm long) after reflecting from the first mirror?
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Two plane mirrors intersect
at right angles. A laser beam strikes
the first of them at a point 11.5 cm
from their point of intersection, For what angle
of incidence at the first mirror will
this ray strike the midpoint of the
second mirror (which is 28.0 cm
long) after reflecting from the first
mirror?
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