Question

The angle between the incident ray and reflected ray is 130 degree


. Find the angle of incidence and angle of


reflection. Also draw a diagram in support and mark the values of / i and / r.

please answer fast

Answer 1

Answer:

(a) 60(,b) 120

Explanation:

We know that angle of incidence and angle of reflection both are measured from normal which is perpendicular to the plane.

Let,

Angle of incidence =i

Angle of reflection =r

Normal ON is perpendicular to plane.

So, angle of incidence, i=90

0

−30

0

=60

0

We know that angle of incidence=angle of reflection

So, angle of incidence=angle of reflection =60

0

Hence, angle between incident ray(AO)