A ray of light enters a rectangular glass slab of refractive index 1.5. It is found that the ray emerges
from the opposite face of the slab without being displaced. If its speed in air is 3 x 108 ms-1 then what is
its speed in glass? .
Answers
Answered by
5
refer to the picture attached, hope it's helpful
Attachments:
Answered by
3
Answer: 2×108m/s (two into ten to the power of 8
Similar questions