Amplitude in the following figure is given as:
Correct answer: A. 1 m
- A. 1 m
- B. 2m
- C. 1/2 m
- D. 1/4 m
Explanation
Amplitude is maximum distance from mean position. In the given figure, the maximum position above the mean position is 1 m which is the amplitude.
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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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