Question
Physics Question on Ray optics and optical instruments
The refractive index of glass is 1.5. The speed of light in glass is
A
3×108 m/s
B
2×108 m/s
C
1×108 m/s
D
4×108 m/s
Answer
2×108 m/s
Explanation
Solution
The correct option is (B): 2×108 m/s.