Manipal MET2017PhysicsElectromagnetic Waves
For a colour of light the wavelength for air is 6000 Å and in water the wavelength is 4500 Å . Then the speed of light in water will be
Options
- A5 10¹⁴ ~m / s
- B2.25 10^8 ~m / s
- C4.0 10^8 ~m / s
- Dzero
Correct answer
B. 2.25 10^8 ~m / s
Step-by-step solution
aligned & (b) We know that v & array l v₁ v₂ = ₁ ₂ V₂= v₁ ₁ ₂ =3 10^8 4500 6000 =2.25 10^8 ~m / s array aligned