Question

multiple choice question
what kind of electromagnetic radiation is a lightbulb that gives off white light sending out?
outside the visible spectrum
just one wavelength
only two wavelengths
many different wavelengths

Explanation:

White light is composed of a spectrum of colors. Each color corresponds to a different wavelength. A lightbulb that emits white light is therefore sending out many different wavelengths.

Answer:

many different wavelengths