Question

Orange light of wavelength 6600 Å travelling in air gets refracted in water If the refractive index of water is 4/3. Find the wavelength of the light in Water

please answer asap.
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Answer 1

Answer:

8800 A

Explanation:

we know, μ= c/v

and also, V=fλ

so μ=c/fλ

or we may say, is inversely proportional to λ

(since C is a constant=3*10^8 m/s)

$\frac{u_{w}}{u_a} = \frac{lambda_a}{lambda_w}$

$\frac{4}{3} = \frac{lambda_a}{6600}$

λ_a = 8800 A

Hope this helps you... :D