8
QuizMultiple Choice

The Electromagnetic Spectrum — Quiz

Question 8 • Physical Science

Which part of the electromagnetic spectrum is typically used to make images based on the temperatures of objects?

Answer
A
X-rays
B
infrared light
C
visible light
D
radio waves

Explanation

Infrared radiation is emitted by objects according to their temperature, so an infrared camera can show differences in temperature as an image. Visible-light cameras mainly record reflected light, while radio waves and X-rays are not typically used for ordinary temperature imaging. The correct choice is infrared light.

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