Question

the wavelength of a light wave having a frequency of 80,000,000 hz is

Answer 1

Answer to the question #57683, Physics / Astronomy | Astrophysics

The wavelength of a light wave having a frequency of 80,000,000 Hz is

Answer:

The wavelength $\lambda$ of a sinusoidal waveform traveling at constant speed $c$ is given by

$$\lambda = \frac{c}{v}, \text{ where speed of light } c = 3 \cdot 10^8 \, \text{m/s} \cdot 80,000,000 \, \text{Hz} = 80,000,000 \, \text{s}^{-1}$$ $$\lambda = \frac{c}{v} = \frac{3 \cdot 10^8 \, \text{m/s}}{8 \cdot 10^7 \, \text{s}^{-1}} = 3.75 \, \text{m}$$

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