Multiple choice

What will be the resultant deviation if two vertical plane mirrors are inclined at an angle of 40o with each other, where a ray is reflected first from one mirror and then from the other?

  1. 200o

  2. 350o

  3. 320o

  4. 280o

  5. 340o

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

By using formula of deviation, we get   (360 - 2q) = (360 – 40 x 2) = 280o