The frequency of the wavelength will be 1 ×10 ¹⁵ Hz. Option A is correct.
What is frequency?
Frequency is defined as the number of repetitions of a wave occurring waves in 1 second.
Frequency is given by the formula as,
[tex]\rm v = \lambda \times f \\\\\ \rm f = \frac{3 \times 10^8}{300 \times 10^{-9}} \\\\ f= 1 \times 10^{15} \ Hz[/tex]
The frequency of the wavelength will be 1 ×10 ¹⁵ Hz.
Hence, option A is correct.
To learn more about the frequency, refer to the link;
https://brainly.com/question/14926605
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