The number of waves that pass a given point per second is known as what?

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Build your vocabulary for the IGCSE Coordinated Science Exam. Study with flashcards and multiple choice questions, each with hints and explanations. Prepare for success!

Multiple Choice

The number of waves that pass a given point per second is known as what?

Explanation:
Frequency is the number of waves that pass a given point per second. It tells you how often the wave cycles occur in a set time, so if five crests pass a fixed point in one second, the frequency is five hertz (Hz). The frequency is measured in hertz and is inversely related to the period, which is the time for one complete wave cycle. Amplitude describes how tall the wave is (its energy or loudness in sound), wavelength is the distance between successive crests, and phase refers to the position within the cycle. So the term that names "waves per second" is frequency.

Frequency is the number of waves that pass a given point per second. It tells you how often the wave cycles occur in a set time, so if five crests pass a fixed point in one second, the frequency is five hertz (Hz). The frequency is measured in hertz and is inversely related to the period, which is the time for one complete wave cycle. Amplitude describes how tall the wave is (its energy or loudness in sound), wavelength is the distance between successive crests, and phase refers to the position within the cycle. So the term that names "waves per second" is frequency.

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