27 Do Now

What is the formula for the velocity of a wave?

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Which of the following is the unit of frequency?

• Meters (m)

• Hertz (Hz)

• Seconds (s)

• Joules (J)

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What does the amplitude of a wave represent?

• The number of waves passing a point per second

• The distance between two consecutive crests

• The maximum displacement from the rest position

• The speed of the wave

If the frequency of an electromagnetic wave is doubled, what happens to its wavelength, assuming the speed of light is constant?

• It doubles

• It halves

• It remains the same

• It quadruples

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Which of the following electromagnetic waves has the highest frequency?

• Radio waves

• Microwaves

• Infrared waves

• Gamma rays

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What is the speed of light in a vacuum?

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Which of the following is true about the relationship between frequency and wavelength?

• They are directly proportional

• They are inversely proportional

• They are unrelated

• They are equal

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Which characteristic of a wave determines its energy?

• Wavelength

• Frequency

• Amplitude

• Velocity

What happens to the velocity of a wave if both its frequency and wavelength are doubled?

• It remains the same

• It doubles

• It halves

• It quadruples

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