Answer : The frequency of the wave is, \(4.285\times 10^{14}s^{-1}\)
Solution : Given,
Speed of light = \(3.0\times 10^{8}m/s\)
Wavelength of light = \(7.0\times 10^{-7}m\)
Formula used :
\(u=\frac{c}{\lambda}\)
\(u\) = frequency of light
\(\lambda\) = wavelength of light
c = speed of light
Now put all the given values in the above formula, we get the frequency of light.
\(u=\frac{3\times 10^8m/s}{7\times 10^{-7}m}=4.285\times 10^{14}s^{-1}\)
Therefore, the frequency of the wave is, \(4.285\times 10^{14}s^{-1}\)
