Question

6. A ray of light falls on a plane mirror forming
an angle of 20° with the mirror. The deviation
of the ray on reflection is
(a) 70°
(b) 110°
(C) 140°
(d) None of these​

Answer 1

$110°$

OPTION B

Answer 2

Answer:

THE ANSWER IS (A) 70 DEGREE

Explanation:

AS ANGLE I = ANGLE R ACCORDING TO LAW OF REFLECTION . HOPE IT MY BE HELPFUL TO YOU PLZ GIVE A LIKE