The diagram above shows an incident ray A, inclined at angle of 50o to the interface CB. The ray OB is found to lie along the surface. What is the refractive index of the medium X with respect to air?
Attached Figure / Diagram
A
sin50o/sin40o
B
sin40osin50o
C
sin90o/sin50o
D
sin40o/sin90o
E
sin90o/sin40o
Verified Correct Answer: E.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #24111)