The Electromagnetic Spectrum

What type of waves are electromagnetic waves?

• Compression

• Surface

• Transverse

• Longitudinal

At what speed do electromagnetic waves travel in a vacuum?

• 1x10^8 m/s

• 3x10^8 m/s

• 4x10^8 m/s

• 2x10^8 m/s

The speed of electromagnetic waves varies in different mediums?

• True

• False

What does refraction involve?

• Wave speed increase

• Wave direction change

• Wave frequency increase

• Wave disappearance

What property differentiates electromagnetic waves?

• Amplitude

• Wavelength

• Speed

Which electromagnetic wave has the longest wavelength?

• Gamma rays

• X-rays

• Radio waves

• Microwaves

What is the relationship between wavelength and frequency of electromagnetic waves?

• Equal

• Inversely proportional

• Directly proportional

• Not related

What part of the electromagnetic spectrum can humans see?

• Infrared

• Visible light

• Ultraviolet

• Microwaves

What mnemonic helps remember the colors of the visible spectrum?

• BIG V ROY

• VIB G YOR

• MY G VIB

• ROY G BIV

Which types of electromagnetic radiation are ionizing?

• Ultraviolet, X-ray, Gamma

• Radio, Microwave, Infrared

• Visible, Ultraviolet, Infrared

• Microwave, Radio, X-ray