20
Question
A ray of light is incident on a plane mirror as shown in the given figure. Calculate the deviation produced in the ray.
A ray of light is incident on a plane mirror as shown in the given figure. Calculate the deviation produced in the ray.
Open in App
Solution
The correct option is B 140 degrees
We know that angle of deviation, δ=180∘−2iAngle of incidence (i) = ∠NPM−∠OPM=90∘−70∘=20∘δ=180∘−(2×20∘)=180∘−40∘=140∘
We know that angle of deviation, δ=180∘−2iAngle of incidence (i) = ∠NPM−∠OPM=90∘−70∘=20∘δ=180∘−(2×20∘)=180∘−40∘=140∘Suggest Corrections
8
Similar questions
Join BYJU'S Learning Program
Explore more
Join BYJU'S Learning Program
