Concept explainers
If a wave vibrates back and forth three times each second, and its wavelength is 2 meters, what is its frequency? Its period? Its speed?
Frequency, speed and period of the wave.
Answer to Problem 64A
Frequency is 3 Hz, speed of wave is
Explanation of Solution
Given:
A wave vibrates three times back and forth each second.
Wavelength is 2.00 meter.
Formula used:
Here,T is time period, f is frequency, λ is the wavelength and v is the speed of wave.
Calculation:
Number of vibration or oscillation in one second is called frequency. So the frequency is 3 Hz.
The time period
From
Conclusion:
Therefore, frequency is 3 Hz, speed of wave is
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