SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The number of waves passing a point every second is defined as the ____ of the wave.
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speed
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amplitude
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wavelength
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frequency
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Explanation:
Detailed explanation-1: -Frequency of a wave is the number of successive crests (or troughs) passing a given point in 1 second.
Detailed explanation-2: -The frequency ( ) of a wave is the number of waves passing a point in a certain time. We normally use a time of one second, so this gives frequency the unit hertz ( ), since one hertz is equal to one wave per second.
Detailed explanation-3: -Wave frequency is the number of waves that pass a fixed point in a given amount of time. The SI unit for wave frequency is the hertz (Hz), where 1 hertz equals 1 wave passing a fixed point in 1 second.
Detailed explanation-4: -Number of waves passing through a point in a unit time is called the frequency of a wave. Its SI unit is hertz (Hz).
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