Question

which of the following shows the range of frequencies of electromagnetic radiation and their respective wavelengths?
○ light spectrum
○ mechanical wave spectrum
○ electromagnetic spectrum
○ wave spectrum

Explanation:

The question asks for the spectrum that lists electromagnetic radiation's frequency and wavelength ranges. The light spectrum is a subset of electromagnetic radiation. Mechanical wave spectrum refers to waves requiring a medium (not electromagnetic). Wave spectrum is a general term. The electromagnetic spectrum specifically encompasses all types of electromagnetic radiation with their respective frequencies and wavelengths.

Answer:

C. electromagnetic spectrum