Light Waves Explained

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

• Light wave

• Sound wave

• Water wave

• Seismic wave

What type of wave is a light wave?

• A sound wave

• A seismic wave

• A electromagnetic wave

• A mechanical wave

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What is the amplitude of this model wave?

• 0mm

• 5cm

• 15cm

• 10mm

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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.

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What is the frequency of this model wave?

• 10 waves per second

• 3 waves per second

• 6 waves per second

• 2 waves per second

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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.

Which of the following are not a part of the Electromagnetic Spectrum?

• Gamma Rays

• Radio waves

• Magnetic waves

• x-rays

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Gamma Rays are

• High energy

• Low energy

• Medium energy

• Just right

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Based on your observations of the prism, select the true statements.

• When light travels through a prism, the light is separated by wavelength.

• Humans see the different wavelengths of visible light as different colors.

• The prism is being used to combine different colors of light.

• The light bends when it enters the prism and again when it leaves the prism.

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A light wave is considered to be an electromagnetic wave. But what other kind of wave is it?

• Surface wave

• Longitudinal wave

• Transverse wave

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