CUET Preparation Today
The angle of incidence for an equilateral prism having an angle of minimum deviation of 30° will be: |
60° 90° 45° 30° |
45° |
The correct answer is Option (3) → 45° for an equilateral triangle at minimum deviation, $δ_{min}=2i-A$ $⇒30°=2i-60$ $⇒i=45°$ |
