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2 years ago

11

Two pure tones are sounded together. The drawing shows the pressure variations of the two sound waves, measured with respect to

atmospheric pressure, where t1 = 0.0220 s and t2 = 0.0242 s. What is the beat frequency?

1 answer:

amm18122 years ago

7 0

Answer:

4.13Hz

Explanation:

f1 = 1/t1 = 1/0.022 = 45.45 Hz

f2 = 1/t2 = 1/0.0242= 41.32 Hz

No. of beats

= 45.45- 41.32

~ 4.13Hz

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