# 4. Which of the following is the angle of reflection for the light ray given in the figure? A) 70º B) 60 º C) 35 º D) 30 º

Jan 25, 2018

C) $35$

#### Explanation:

We know, angle of incidence($i$) = angle of reflection($r$)

Given, $i + r = 70$

or, $i + i = 70$

so, $i = 35$