Frequency is defined as how many waves pass by a point in one second.

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Study for the Georgia High School Physical Science Test. Prepare with flashcards and multiple-choice questions, detailed hints and explanations included. Get ready for your exam!

Multiple Choice

Frequency is defined as how many waves pass by a point in one second.

Explanation:
Frequency is the rate at which wave cycles pass a fixed point each second. That exactly matches the idea of “how many waves pass by a point in one second” and is measured in hertz (Hz). For example, a wave with 60 Hz has 60 crests crossing a point every second, and its period is 1/60 of a second. Amplitude describes how tall the wave is (affecting energy or loudness), wavelength is the distance between identical points on successive cycles, and speed is how fast the wave travels (related to frequency and wavelength by v = fλ). So the statement correctly identifies frequency.

Frequency is the rate at which wave cycles pass a fixed point each second. That exactly matches the idea of “how many waves pass by a point in one second” and is measured in hertz (Hz). For example, a wave with 60 Hz has 60 crests crossing a point every second, and its period is 1/60 of a second. Amplitude describes how tall the wave is (affecting energy or loudness), wavelength is the distance between identical points on successive cycles, and speed is how fast the wave travels (related to frequency and wavelength by v = fλ). So the statement correctly identifies frequency.

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