Question

Snapping ur finger creates 50dB sound 10cm from someone s ear Calculate the power required to do that? 2. Two strings having the same tension. Both of them having the fundamental frequency= 50Hz. We' ld like to create 10Hz beat frequency. How much percentage of one string' s tension we got to change?

Answer 1

Concept used: Here we use the definition of intensity of sound and relation between the intensity and sound level, and intensity and power.

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