Question

What will be the deviation produced when a ray of light incident on plane mirror at angle of incidence 60°?

Answer 1

Dear Student,

◆ Answer -

δ = 120°

● Explanation -

Angle of deviation for mirror is sum of angle of incidence and angle of reflection.

δ = i + r

And for plane mirror, angle of reflection is equal to angle of incidence. i.e. r = i.

δ = i + i

δ = 60 + 60

δ = 120°

Hence, the deviation produced is 120°.

Thanks dear. Hope this helps you...

Answer 2

Answer:

◆ Answer -

δ = 120°

● Explanation -

Angle of deviation for mirror is sum of angle of incidence and angle of reflection.

δ = i + r

And for plane mirror, angle of reflection is equal to angle of incidence. i.e. r = i.

δ = i + i

δ = 60 + 60

δ = 120°

Hence, the deviation produced is 120°