Look at the Light EM spectrum below. Which type of wave do cell phones use?
Comparing its energy with other waves, is the rumor that frequent cell phones
use can give you brain cancer true? Explain how if yes. What other type of EM
waves can give you cancer? Type your answer using complete sentences! Try
using CER format to help with your answer.
Penetrates Earth's
Atmosphere?
Radiation Type
Wavelength (m)
Radio
10
Microwave Infrared
Visible Ultraviolet
X-ray
105
0.5×10
10
10-10
Gamma ray
102
Approximate Scale
of Wavelength
Buildings Humans Butterflies Needle Point Protozoans Molecules
Frequency (Hz)
Atoms Atomic Nuclei
10
10
102
Temperature of
10's
100
10
100
objects at which
this radiation is the
most intense
wavelength emitted
1K
-272 °C
100 K
-173 °C
10,000 K
9,727 °C
10,000,000 K
-10,000,000 °C