Q 3 Light of wavelength 8000 Å enters from air into water (μwater = 4/3) What is the - Physics - Ray Optics And Optical Instruments

Question

Q 3 Light of wavelength 8000 Å enters from air into water (
μ w a t e r = 4/3) What is the change in the frequency of
light in water?

Sanat K Mukherjee · Accepted Answer

Dear Student,

Let the velocity of light in water = v

μwater=cv=3×108v=43v = 2
25×108 m/sNow,fλ = v, where f=frequency of light, λ=wavelength of light = 8000×10-10mf =vλ=2
25×1088000×10-10=2 8×1014 Hz  Ans
Regards,

Q.3. Light of wavelength 8000 Å enters from air into water ( μ w a t e r = 4/3). What is the change in the frequency of light in water?

Q.3. Light of wavelength 8000 Å enters from air into water ( $μ_{w a t e r}$ = 4/3). What is the change in the frequency of light in water?