4
lesson pretestMultiple Choice

Pretest

Question 4 • Physical Science

Which two types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light?

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

Explanation

In the electromagnetic spectrum, frequency increases from radio waves through microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays. Both X-rays and gamma rays have higher frequencies than ultraviolet waves, so the correct choice is gamma rays and X-rays.

AI-written and checked against the verified answer.

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