Figure 7.4: Hypothetical results of an experiment showing distortion of the data

Question

Figure 7.4: Hypothetical results of an experiment showing distortion of the data by an imperfect detector. Imperfect detector problem. Suppose you are attempting to measure the intensity of sound waves reflected from a sample. You measure detector voltage versus frequency and obtain the curve shown in Figure 7.4. Then you use a constant (reference) sound source and measure the detector response. In the data obtained from the sample, one peak represents a true sound wave and the other peak is an artifact introduced by your detector. Which peak represents a true sound wave? Peak at approximately 18 kHz Peak at approximately 38 kHz

Explanation / Answer

i think its the second peak..not sure though..cos high frequencies are used to find those imperfections

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