11
QuizMultiple Choice

Cumulative Exam — Cumulative exam

Question 11 • FL-2003310-Physical Science B-CR (Exam Only)

Which best explains why infrared waves are ineffective for treating cancer?

Answer
A
They have frequencies that are too high to kill cancer cells.
B
They have short wavelengths, which can be harmful to healthy cells.
C
They do not transfer enough energy to destroy cancer cells.
D
They have long wavelengths, which can be harmful to healthy cells.

Explanation

A wave’s energy increases with its frequency. Infrared waves have relatively low frequencies, so they do not transfer enough energy to destroy cancer cells. Choice C gives this reason; the high-frequency, short-wavelength description in A and B does not fit infrared waves.

AI-written and checked against the verified answer.

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