MCQ
The angle of deviation through a prism is minimum when
$(A)$ Incident ray and emergent ray are symmetric to the prism
$(B)$ The refracted ray inside the prism becomes parallel to its base
$(C)$ Angle of incidence is equal to that of the angle of emergence
$(D)$ When angle of emergence is double the angle of incidence
Choose the correct answer from the options given below
- ✓Statements $( A ),( B )$ and $( C )$ are true
- BOnly statement $(D)$ is true
- COnly statements $( A )$ and $( B )$ are true
- DStatements $(B)$ and $(C)$ are true
