A piano tuner hits a key on a piano and strikes a 320Hz tuning fork. A) the tune

Question

A piano tuner hits a key on a piano and strikes a 320Hz tuning fork. A) the tuner hears a beat frequency of 5Hz. What could the piano frequency be? Explain.
B) the tuner the. Tightens the piano string which increases its frequency. When he does, the beat frequency increases. What is the original piano frequency? Explain A piano tuner hits a key on a piano and strikes a 320Hz tuning fork. A) the tuner hears a beat frequency of 5Hz. What could the piano frequency be? Explain.
B) the tuner the. Tightens the piano string which increases its frequency. When he does, the beat frequency increases. What is the original piano frequency? Explain A) the tuner hears a beat frequency of 5Hz. What could the piano frequency be? Explain.
B) the tuner the. Tightens the piano string which increases its frequency. When he does, the beat frequency increases. What is the original piano frequency? Explain

Explanation / Answer

beat freaucy = df = 5 Hz

5 = 320 - f

it could be = 315 or 325 Hz

part b )

tension is increasing . beat frequency is increasing means frequency of piano string is far from tuning fork

f = 320 + 5 = 325 Hz

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