Problem: A light ray leaves point A in Figure 1, reflects from the mirror, and reaches point B. a) How far below the top edge does the ray strike the mirror? b) What if the distance from point B to the mirror was reduced by 5 cm?

$A n g l e o f i n c i d e n c e, θ_{i} = A n g l e o f r e f l e c t i o n θ_{r}$

Thus, the angles marked with φ are equal.

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A light ray leaves point A in Figure 1, reflects from the mirror, and reaches point B.

a) How far below the top edge does the ray strike the mirror?

b) What if the distance from point B to the mirror was reduced by 5 cm?

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Reflection Of Light concept. You can view video lessons to learn Reflection Of Light. Or if you need more Reflection Of Light practice, you can also practice Reflection Of Light practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Dhamala's class at GSU.