SCI 631 review

What is the relationship between frequency and wavelength in a wave?

• They are directly proportional.

• They are inversely proportional.

• They are unrelated.

• They are equal.

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NGSS.HS-PS4-1

Which of the following is the formula for wave speed?

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NGSS.HS-PS4-1

Calculate the wavelength of a wave with a speed of 300 m/s and a frequency of 60 Hz.

• 5 m

• 10 m

• 15 m

• 20 m

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NGSS.HS-PS4-1

If a wave has a frequency of 10 Hz and a wavelength of 2 meters, what is its speed?

• 5 m/s

• 10 m/s

• 20 m/s

• 30 m/s

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NGSS.HS-PS4-1

A wave travels at a speed of 150 m/s with a wavelength of 3 meters. What is its frequency?

• 25 Hz

• 50 Hz

• 75 Hz

• 100 Hz

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NGSS.HS-PS4-1

Which of the following statements is true about wave speed in different media?

• Wave speed is constant in all media.

• Wave speed is faster in denser media.

• Wave speed is slower in denser media.

• Wave speed is independent of the medium.

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NGSS.HS-PS4-1

Which of the following best describes amplitude?

• The distance between two consecutive crests.

• The height of the wave from the rest position.

• The number of waves passing a point per second.

• The speed at which the wave travels.

What happens to a wave when it is reflected?

• It changes its speed.

• It changes its direction.

• It changes its frequency.

• It changes its wavelength.

Which of the following is an example of refraction?

• A wave bouncing off a wall.

• A wave passing through a narrow opening.

• A wave changing direction as it enters a new medium.

• A wave spreading out after passing through a gap.

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NGSS.MS-PS4-2

What is the term for the bending of waves around obstacles?

• Reflection

• Refraction

• Diffraction

• Interference