CUET Preparation Today
To get eight images of a single object one should have two plane mirror at an angle of: |
80° 40° 60° 120° |
40° |
The correct answer is Option (2) → 40° Number of images (n) = $\frac{360°}{θ}-1$ [θ = Angle between the mirrors] $⇒8=\frac{360°}{θ}-1$ $⇒θ=\frac{360°}{9}=40°$ |
