Mod.L Unit1 Lesson3

Which of the following is not an example of a mechanical wave?

• a light wave

• a sound wave

• a water wave

• a seismic wave

What type of wave is a light wave?

• a sound wave

• a seismic wave

• a mechanical wave

• an electromagnetic wave

What is the amplitude of this model wave?

• 0 mm

• 4 cm

• 10 mm

• 15 cm

Why is a light wave not considered a mechanical wave?

• A light wave is visible to humans.

• A light wave moves faster than most waves.

• A light wave does not have a wavelength.

• A light wave travels through the vacuum of space.

What is the frequency of this model wave?

• 1 wave per second

• 2 waves per second

• 3 waves per second

• 6 waves per second

How is an electromagnetic wave different from a mechanical wave?

• An electromagnetic wave travels slower than a mechanical wave.

• An electromagnetic wave has a larger amplitude than a mechanical wave.

• An electromagnetic wave can travel through a vacuum, but a mechanical wave cannot.

• An electromagnetic wave has no wavelength, but a mechanical wave has a wavelength.

What is the wavelength of this model wave?

• 3 cm

• 5 cm

• 10 cm

• 15 cm