U6 Review Game - EM vs Mechanical Waves

The graph indicates what about the relationship between wavelength and frequency?

• as wavelength decreases, frequency increases

• as wavelength decreases, frequency decreases

• as wavelength increases, frequency increases

• there is no relationship between wavelength and frequency

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The GALEX observatory was a recent observatory that was launched to observe over a half-billion galaxies going back to when our Universe was just about 3 billion years old. It used wavelengths of higher energy than visible light. Which of these could describe the wavelengths used by the GALEX observatory to make observations in space?

• microwaves

• radio waves

• infrared waves

• ultraviolet waves

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This graph is accurate because

• mechanical waves cannot travel through a medium.

• electromagnetic waves cannot travel through a vacuum.

• electromagnetic waves move faster than mechanical waves.

• mechanical waves move faster than electromagnetic waves.

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What type of wave is a stadium wave?

• a transverse wave

• a compression wave

• an longitudinal wave

• an electromagnetic wave

What type of wave do particles move parallel to the wave's motion, such as sound waves?

• transverse waves

• pressure waves

• longitudinal waves

• electromagnetic waves

Since wave A is taller than wave B, we can infer that wave A

• has a bigger amplitude.

• has a smaller amplitude.

• has a shorter wavelength.

• there are no differences between the waves.

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What property doubled from wave A to wave B?

• amplitude

• crest

• trough

• wavelength

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What can the person do to shorten the wavelength in the rope?

• lengthen the rope

• move the rope up and down more slowly

• move the rope up and down more quickly

• step closer to the tree while moving the rope at the same speed

In the diagram of a sound wave, the section labeled B shows the area of the sound wave with the

• most amplitude and compression.

• most amplitude and rarefaction.

• least amplitude and compression.

• least amplitude and rarefaction.

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Compare the energy of visible light to the energy of a microwave.

• they have the same amount of energy

• visible light has lower energy than microwaves

• visible light has higher energy than microwaves

• it is impossible to tell the energy of light or microwaves

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