Electromagnetic

A gamma ray photon and a microwave photon are traveling in a vacuum. Compared to the wavelength and energy of the gamma ray photon, the microwave photon has a -----?

• shorter wavelength and less energy

• shorter wavelength and more energy

• longer wavelength and less energy

• longer wavelength and more energy

Tags

NGSS.HS-PS4-1

Earth’s atmosphere blocks short wavelengths of the electromagnetic spectrum. Which telescopes must be placed in orbit around Earth in order to observe short-wavelength radiation?

• Gamma-ray telescopes

• Visible-light telescopes

• Infrared telescopes

• Radio telescopes

Tags

NGSS.MS-PS4-2

Which EM waves have the longest wavelength?

• radio

• x-rays

• ultraviolet

• gamma rays

Which EM waves have the shortest wavelength?

• radio

• x-rays

• ultraviolet

• gamma rays

Which EM waves are invisible? (more than one correct answer)

• radio

• visible

• ultraviolet

• gamma rays

Which EM waves are have a SHORTER wavelength than visible?

• radio

• none

• infrared

• x-rays

Tags

NGSS.HS-PS4-1

Which EM waves are have the lowest frequency?

• radio

• none

• infrared

• x-rays

Which EM waves are have the highest energy & are the most dangerous?

• radio

• gamma rays

• infrared

• x-rays

Which color waves have the lowest frequency?

• red

• yellow

• green

• violet

Which color waves have the shortest wavelength?

• red

• yellow

• green

• violet