Question

Which of the following statement about electromagnetic radiation is false

a. it provides virtually all the energy for life on earth

b. it be behave like a wave most of the time

c. sometimes it behaves like a particle

d. all of its wavelengths are harmful

Answer 1

D. All of its wavelengths are harmful

This is false, because a lot of electromagnetic radiation (such as visible light we see with our eyes) is not harmful.