Wavelengths/Light P6 and P7

Which kind of wave has the greatest frequency?

• gamma rays
• infrared
• ultraviolet
• microwaves

What is the shortest wavelength of visible light?

• 10^-12m
• 710nm
• 390nm
• 10m

Which of the following regions of the electromagnetic spectrum has the longest wavelengths?

• microwave
• infrared
• x-ray
• gamma ray

Which of the following colors of visible light has the longest wavelength?

• orange
• blue
• red
• green

Which of the following regions of the electromagnetic spectrum has the lowest frequency?

• ultraviolet
• infrared
• visible
• x-ray

The ________ of a photon of light is ________ proportional to it frequency and ________ proportional to its wavelength.

• amplitude, directly, inversely
• energy, inversely, directly
• energy, directly, inversely
• velocity, inversely, directly

High frequency waves have _________ wavelength.

• varying
• high
• the same
• low

Look carefully at the waves.  Which carries the most energy?

• microwave
• infrared
• ultraviolet
• x-ray

Which has the longest wavelength?

• microwave
• infrared
• ultraviolet
• x-ray

Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even cancer?

• Infrared Rays
• Radio Waves
• Microwaves
• Ultraviolet Rays