PS Waves Practice

The spoon appears to be broken where it enters water because

• the light is reflected by the water.

• the light is absorbed by the water.

• the light is refracted (bent) by the water.

• the light is dissolved by the water.

A beam of light is shining on the surface of a liquid. Which diagram shows what happens when the light is reflected by the liquid?

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The two waves above are traveling at the same speed. Which statement best describes the difference between the waves?

• Wave A has a higher frequency than wave B.

• Wave A has a lower frequency than wave B.

• Wave A has a higher amplitude than wave B.

• Wave A has a lower amplitude than wave B.

Which of the following is the best example of a wave?

• a stone rolling downhill

• a vehicle traveling on a bumpy road

• a string vibrating on a guitar

• a grasshopper jumping up and down

Which of the following best describes the relationship between frequency and wavelength of electromagnetic waves?

• If frequency remains constant, the wavelength increases.

• The wavelength decreases as the frequency decreases.

• The frequency increases as the wavelength decreases.

• If the wavelength remains constant, the frequency increases.

The graphs above give information for waves W and X. Both waves were produced in the same medium and are moving at the same speed. Which of the following statements describes another property of these waves?

• Wave W has a larger period than wave X.

• Wave W has a lower frequency than wave X.

• Wave W has a greater amplitude than wave X.

• Wave W has a shorter wavelength than wave X.

A teacher asks a group of students to use a ruler to measure the amplitude of the wave shown above. Between which of the following points should the amplitude be measured?

• points U and Z

• points W and Y

• points V and X

• points X and Z

The diagram above shows a wave with four numbered parts. Which numbered part of the diagram represents the wavelength?

• 1

• 2

• 3

• 4

Which of the following diagrams represents the refraction of waves?

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Two waves traveling in the same medium are shown above. Which of the following correctly compares the two waves?

• Wave X has half the amplitude of wave Y.

• Wave X has twice the amplitude of wave Y.

• Wave X has a lower frequency and longer wavelength than wave Y.

• Wave X has a higher frequency and shorter wavelength than Y.