Question #1dd24
1 Answer
Sep 21, 2017
Explanation:
To be able to find the wavelength we can use the wave equation. It is
Where,
when rearranging this equation to solve for
For the second question we need to look at the electromagnetic radiation spectrum.
If you go back and have a look, both the wavelength and frequency correspond to the infra-red (IR).
Therefore, the answer is infra-red(IR).