A beam of monochromatic light of wavelength 6000 Å in air enters water of refractive index `""_(a)n_(w)=(4)/(3)`. What is its wavelength in water ?

Question

A beam of monochromatic light of wavelength 6000 Å in air enters water of refractive index `""_(a)n_(w)=(4)/(3)`. What is its wavelength in water ?

A beam of monochromatic light of wavelength 6000 Å in air enters water of refractive index `""_(a)n_(w)=(4)/(3)`. What is its wavelength in water ?
A. 3500Å
B. 4000Å
C. 4500Å
D. 5000Å

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
`lambda_m=(lambda_a)/(""_a n_w)=(6000)/(4//3)=4500Å`

4 views Answered 2023-02-05 15:29