Wave Basic Properties & the EM Spectrum

Which letter represents wavelength?

• A
• B
• C
• D

Which letter represents amplitude?

• A
• B
• C
• D

Which wave has a greater frequency?

• A
• B

If a wave has a greater frequency, what happens to the wavelength?

• increases

• decreases

• stays the same

If a wave has a greater frequency, what happens to number of waves per second?

• increases

• decreases

• stays the same

What is the amplitude of this wave?

• 2

• 3

• 6

• 10

What is the wavelength of this wave?

• 1

• 2

• 3

• 4

What property does the orange arrow (A) represent?

• Crest

• Trough

• Wavelength

What property does the green arrow (B) represent?

• Crest

• Trough

• Wavelength

How are Electromagnetic waves different from Mechanical waves?

• EM waves have very short wavelengths

• EM waves transmit energy instead of matter

• EM waves can travel through the vacuum of space (without particles)

• EM waves can change direction by reflection