Question
Green light of wavelength 5460 Å is incident on an airglass interface. If the refractive index of glass is 1.5, the wavelength of light in glass would be ( c =3 10^ 8 ~ms ^ -1 )
BITSAT
Physics
Ray Optics
2021
BITSAT 2021
BITSAT Physics Question (2021) — Solution
Options
- A. 3640 Å
- B. 5460 Å
- C. 4861 Å
- D. None of the above
Answer
A. 3640 Å
Step-by-step solution
a ^ g = _ a = 5460 1.5 =3640 Å
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