WS 11 EM Waves

This shows the main components of the electromagnetic spectrum in ascending order of frequency from left to right. What is the missing component A?

• Gamma rays
• Infrared radiation
• Ultraviolet radiation

This shows the main components of the electromagnetic spectrum in ascending order of frequency from left to right. What is the missing component B?

• Gamma rays
• Infrared radiation
• Ultraviolet radiation

This shows the main components of the electromagnetic spectrum in ascending order of frequency from left to right. What is the missing component C?

• Gamma rays
• Infrared radiation
• Ultraviolet radiation

Gamma rays have the __________ frequency and __________ wavelength in the EM Spectrum.

• lowest, shortest
• lowest, longest
• highest, shortest
• highest, longest

Radio Waves have the __________ frequency and __________ wavelength in the EM Spectrum.

• lowest, shortest
• lowest, longest
• highest, shortest
• highest, longest

What is the magnitude of the speed of electromagnetic waves in a vacuum?

• 3,000,000 m/s
• 30,000,000 m/s
• 300,000,000 m/s
• 3,000,000,000 m/s

Which characteristic of electromagnetic waves helps them travel from the Sun to the Earth?

• They can travel fast
• They can travel in a vacuum
• They obey the wave equation

What spectrum of the EM waves is used in satellite TV?

• Radio waves
• Microwaves
• Infrared radiation
• Visible light

What spectrum of the EM waves is used in Cancer Treatment?

• Visible light
• Ultraviolet radiation
• X-rays
• Gamma rays

Which of the following correctly lists three components of the electromagnetic spectrum in order of increasing frequency?

• Gamma rays, microwaves, visible light
• Radio waves, ultraviolet radiation, X-rays
• Ultraviolet radiation, infrared radiation, microwaves
• Visible light, gamma rays, radio waves