17
QuizMultiple Choice

Unit Test — Unit test

Question 17 • 26-27 LISD TX-Physics B-CR (rev. 5/25)

Which lists the waves in order of wavelength, from longest to shortest?

Answer
A
X-rays, infrared, radio waves
B
infrared, visible light, gamma rays
C
ultraviolet, microwaves, visible light
D
radio waves, gamma rays, visible light

Explanation

The electromagnetic spectrum from longest to shortest wavelength begins with radio waves, then microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays. Choice B follows this order: infrared has a longer wavelength than visible light, which has a longer wavelength than gamma rays. The other choices place at least one wave out of order.

AI-written and checked against the verified answer.

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