In the diagram above, a ray of light passes from glass into air, if the angle of incidence in glass is a and angle of refraction in air is \( \beta \) which of following statements is true???
A
\( \alpha = \beta \)
B
the efractive index of glass is \( \frac{sin\theta}{sin\alpha} \)
C
The ray suffers total internal reflection if \( \beta \) is greater than the critical angle
D
the efractive index of glass is \( \frac{sin\alpha}{sin\beta} \)
E
0.6N.m
Verified Correct Answer: D.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Official Exam / Past Question Archive