A prism can produce a minimum deviation d in a light beam. If three such prisms are combined, the minimum deviation that can be produced in this beam is:
0
d
2d
3d
Condition of maximum deviation -
- wherein
value of a minimum deviation
Option 1)
0
Incorrect
Option 2)
d
Correct
Option 3)
2d
Incorrect
Option 4)
3d
Incorrect