Optics Question 751
Question: Electromagnetic radiation of frequency n, wavelength , travelling with velocity v in air, enters a glass slab of refractive index . The frequency, wavelength and velocity of light in the glass slab will be respectively
[CBSE PMT 1997]
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: B
Solution:
Frequency does not change with medium but wavelength and velocity decrease with the increase in refractive index.