A is singing a note and at the same time B is also singing a note with 1/8th the frequency of A. The energies of the two sounds are equal. The displacement amplitude of the note of B is:
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A is singing a note and at the same time B is also singing a note with 1/8th the frequency of A. The energies of the two sounds are equal. The displacement amplitude of the note of B is:

G1 Physics · Accepted Answer

Step 1: Identify the governing wave relation from the data and preserve the stated boundary/phase conditions. Step 2: Substitute the numerical values with SI units and simplify. Step 3: Compare with the keyed result from the source. Final: D: eight times that of A.