Question

you can construct a periscope with two parallel mirrors, as shown in the diagram. a ray of light enters from the object. it reflects off the first mirror and then the second mirror to the eye. use the diagram to answer the question. what is true about ∠3 and ∠4? explain. click the icon to view the law of reflection. using the you can show that ∠3 and ∠4 are

Explanation:

Step1: Recall law of reflection

The law of reflection states that the angle of incidence is equal to the angle of reflection.

Step2: Analyze angles in periscope

In a periscope with parallel mirrors, due to the parallel - nature of the mirrors and the law of reflection, the angles of reflection from the two mirrors result in equal angles for corresponding rays. Let's assume the normal to the first mirror and the second mirror. The incident ray on the first mirror and the reflected ray from the second mirror create equal - angled situations. Since the mirrors are parallel, using the law of reflection, we can show that ∠3 and ∠4 are equal.

Answer:

law of reflection; equal