A telescope that uses a lens to bring radiation to a focus is called a
A)Radio telescope
B)Reflector
C)Refractor
D)Photometer

Question

Quizplus · Accepted Answer

Refracting telescopes use lenses to bend or refract light to bring it to a focus. Radio telescopes use antennas to collect and detect radio waves, while reflectors use mirrors to reflect light to a focus. Photometers are instruments used to measure the intensity of light.

A Telescope That Uses a Lens to Bring Radiation to a Focus