Q700
Which of these travels in glass with minimum velocity ?
A.
Red light
B.
Violet light
AnswerC.
Green light
D.
Yellow light
Answer: Option B
Solution
Answer: Option B
Solution:
As light passes from air into glass, there is reduction of velocity. Due to longer wavelengths, red waves travel fastest and is refracted the least, while violet waves travel the slowest and is refracted the most.