How does the frequency and wavelength of light change during its transition from vacuum to water?
| September 8, 2021 | education
When an electromagnetic wave passes from one substance to another, the wavelength λ and the speed of its propagation V change. The frequency f does not change when the wave passes from one medium to another.
V = f * λ.
f = V / λ.
Since the speed of light in water has decreased, it means that the wavelength should decrease by the same amount.
Answer: The length of the light wave and the speed of light have decreased n times
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