In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively, are [CBSE2014]
A. X, R and T
B. Y, Q and T
C. X, Q and P
D. Y, Q and P
Answer:D
In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively, are [CBSE2014]
A. X, R and T B. Y, Q and T C. X, Q and P D. Y, Q and P