Electromagnetic Spectrum & Waves FINAL

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

• microwaves

• visible light

• gamma rays

• x-rays

Which electromagnetic waves are used in ovens and cell phone communications?

• microwaves

• infrared rays

• gamma rays

• ultraviolet rays

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low

• low, high

• high, high

• low, low

Which type of waves are used in broadcasting?

• infrared rays

• X-rays

• radio waves

• gamma rays

Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength

• Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

• Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

• Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

• Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

Electromagnetic waves that help your body produce vitamin D are called?

• Ultraviolet rays

• X-rays

• Radio waves

• Gamma rays

Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy

• Ultraviolet Rays

• Radio Waves

• Gamma Rays

• X-Rays

How are electromagnetic waves different from other waves?

• They have very short wavelengths

• They transmit energy instead of matter

• They can travel through empty space

• They can change direction by reflection

Which section of the spectrum is the ONLY one we can see?

• Ultraviolet Rays

• Gamma Rays

• X-Rays

• Visible Light

As the frequency of an electromagnetic wave increases, the amount of energy in that wave...

• increases.

• stays the same.

• decreases.