The relation between speed, frequency, and wavelength of a wave is:
Correct answer: A. Speed = frequency x wavelength
- A. Speed = frequency x wavelength
- B. Speed x frequency = wavelength
- C. Speed = frequency / wavelength
- D. Speed = frequency + wavelength
Explanation
This is the standard formula for the speed of an electromagnetic wave, c = fλWhere c is the speed of the wave, f is the frequency of the wave, and λ is the wavelength.
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About Waves
Progressive waves transfer energy through oscillations, with wavelength, frequency, amplitude and wave speed related by v = fλ; sound speed depends on the medium. Superposition produces interference and stationary waves in strings and organ pipes, while simple harmonic motion describes the oscillation itself and must be distinguished from wave propagation.
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