The angle formed between the extended ray of incident and emergent is:
A. angle of emergence
B. angle of refraction
C. angle of deviation
D. angle of incidence.
Answer:C
The angle formed between the extended ray of incident and emergent is:
A. angle of emergence B. angle of refraction C. angle of deviation D. angle of incidence.
Explanation: The deviation of incident ray can be obtained with the help,of emergent ray.