The velocities of light in air and glass are 3.0 x 10^8ms−1 and 2.0 x
PHYSICS
JAMB 2021
The velocities of light in air and glass are 3.0 x 10^8ms−1 and 2.0 x 10^8ms−1 respectively. If the angle of refraction is 30º, the sine of the angle of incidence is?
- A. 0.33
- B. 0.50
- C. 0.67
- D. 0.75
Correct Answer: D. 0.75
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