Can someone give me the letters/answer to the problem? All you have to do is tell me what the answer is for numbers 1 through 4. Or if you want just tell me the lettering for the problem. Thank you

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?