Electromagnetic Spectrum Quiz

What is the range of the electromagnetic spectrum?

• Visible light only

• Radio waves and X-rays

• Microwaves and gamma-rays

• All types of electromagnetic radiation

Which type of electromagnetic radiation has the highest energy?

• Radio waves

• Visible light

• Ultraviolet light

• Gamma-rays

What type of electromagnetic radiation is used by night vision goggles?

• Radio waves

• Infrared

• Visible light

• Ultraviolet light

Which type of electromagnetic radiation is emitted by the Sun and causes tanning and burning of the skin?

• Radio waves

• Infrared

• Visible light

• Ultraviolet light

What type of electromagnetic radiation is used by dentists to image teeth?

• Radio waves

• Infrared

• Visible light

• X-rays

What type of electromagnetic radiation is emitted by hot gases in the Universe?

• Radio waves

• Infrared

• Visible light

• X-rays

Are radio waves and gamma-rays fundamentally different?

• Yes, they are completely different

• No, they are both electromagnetic radiation

• Yes, radio waves are particles and gamma-rays are waves

• No, radio waves are waves and gamma-rays are particles

How do scientists measure electromagnetic radiation?

• By energy

• By wavelength

• By frequency

• All of the above

What units do radio astronomers typically use to describe their part of the electromagnetic spectrum?

• Wavelengths

• Frequencies

• Energy

• All of the above

Why do astronomers put telescopes in orbit?

• To observe radio waves

• To observe visible light

• To observe X-rays

• To avoid interference from Earth's atmosphere