1.The musical note \"middle C\" has a frequency of 262Hz. What is its period of

Question

1.The musical note "middle C" has a frequency of 262Hz. What is its period of vibration?

2.You observe that the delay between a lightning flash and the thunder is 3.1 s. How far away is the lightning?

3.What is the fundamental frequency for a 56 cm banjo string if the speed of waves on the string is 460 m/s?

4.What is the decibel scale?

1.logarithmic: Two decibels is ten times one decibel; three decibels is ten times two decibels.2. proportional: Three decibels is the square of two decibels, and four decibels is the square of three decibels.     3. logarithmic by tens: Ten decibels is ten times one decibel; twenty decibels is one hundred times ten decibels.4. linear: Three decibels minus two decibels equals one decibel.5. inverse: A two decibel sound is half as loud as a one decibel sound.

Explanation / Answer

1.Period of vibration is 1/f = 1/262 =0.0038

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