Multiple choice

The device that separates light into its component wave lengths is

  1. Photometer

  2. Interferometer

  3. Spectrometer

  4. Polarimeter

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A spectrometer is an optical instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, separating polychromatic light into its component wavelengths. Photometers measure light intensity, while interferometers use interference patterns.