9/17 - Electromagnetic Spectrum

​Play Frequency Video

​Play Full Wave Spectrum Video

Multiple Choice

What is the distance from the peak of one wave to the next peak?

• Amplitude
• Frequency
• Period
• Wavelength

Multiple Choice

What is the number of waves that pass a point in one second?

• Amplitude
• Frequency
• Period
• Wavelength

Multiple Choice

High frequency waves have _________ wavelengths.

• varying
• long
• the same
• short

Multiple Choice

What type of wave has the largest wavelength and the lowest frequency on the electromagnetic spectrum?

• Radio

• Micro

• Gamma

• X ray

Multiple Choice

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

• microwaves

• visible light

• gamma rays

• x-rays

Multiple Choice

The frequency of infrared waves is..

• 10¹² Hz
• 10²⁰ Hz
• 10⁴ Hz
• 10¹⁵ Hz

Multiple Choice

The wavelength of an infrared ray is --

• 10^-5 m

• 10¹² Hz

• 10⁵ m

• 10^-12 Hz

Multiple Choice

These high-energy waves are given off by radioactive materials.

• Gamma
• Microwaves
• Radio
• Ultraviolet

Multiple Choice

These waves from the sun cause sunburn.

• Gamma
• Microwaves
• Radio
• Ultraviolet

Multiple Choice

Which rays can be felt as heat?

• X-Rays
• Infrared Radiation
• Ultraviolet Radiation
• Microwaves