I have this doubt pls help
Solution :
(a) Angle of incidence (i) = Angle of reflection (r)
i + r = 70°
or, i + i = 70° (since, i = r)
or, 2i = 70°
or, i = 35°
And since, i = r
So, r = 35°
(a) Angle of incidence (i) = Angle of reflection (r)
i + r = 70°
or, i + i = 70° (since, i = r)
or, 2i = 70°
or, i = 35°
And since, i = r
So, r = 35°