Electromagnetic Spectrum Quiz

Which type of electromagnetic wave has the longest wavelength?

• Radio waves

• Microwaves

• Infrared

• Gamma rays

What is the source of radio waves?

• Vibrations of electrons within electric circuits

• Heat from hot objects

• Fast moving electrons striking a metal target

• Radioactive material like stars

Which of the following is NOT an example of radio waves?

• Microwave oven

• FM radio

• Cell phones

• MRI

What is a potential harmful effect of microwaves on humans?

• Breaking down DNA

• Penetrating metal

• Causing genetic mutations

• Affecting the water content of our cells

Which type of electromagnetic wave is emitted from hot objects and can burn human tissue?

• Gamma rays

• Ultraviolet

• Infrared

• X-rays

Which part of the electromagnetic spectrum is visible to the human eye?

• Infrared

• Visible light

• Ultraviolet

• X-rays

Which type of electromagnetic wave is used in sterilizing equipment and can cause skin cancer?

• Microwaves

• Visible light

• Infrared

• Ultraviolet

What produces X-rays?

• Heat from hot objects

• Vibrations of electrons within electric circuits

• Radioactive material like stars

• Fast moving electrons striking a metal target

Why are gamma rays considered very dangerous?

• They can penetrate metal and cause death

• They are used in radar and GPS

• They can affect the water content of our cells

• They are emitted from hot objects

Which type of electromagnetic wave is used in medical imaging to locate tumors in the body?

• Ultraviolet

• Infrared

• Microwaves

• Radio waves