6. Which electromagnetic waves have the longest wavelengths?
Infrared rays
d. Ultraviolet
b. Microwaves
e. Visible light
Radio waves
7. Which electromagnetic waves enable humans to see?
a. Gamma rays
d. Visible light
b. Infrared rays
e. X-rays
c. Microwaves
8. What types of electromagnetic waves have the shortest wavelengths?
a. Gamma rays
d. Ultraviolet
b. Infrared rays
e. X-rays
Radio waves
C.
9. What type of electromagnetic waves are used to take pictures of bones in medicine?
a. Infrared rays
d. Visible light
b. Microwaves
e. X-rays
c. Radio waves
10. What type of electromagnetic waves have the most energy?
a. Gamma rays
d. Visible light
b. Microwaves
e. X-rays
c. Ultraviolet​