Question: 1. When a guitar string is plucked, is the wavelength of the wave it produces in air the same as the wavelength of the wave

1. When a guitar string is plucked, is the wavelength of the wave it produces in air the same as the wavelength of the wave on the string?

2. When two waves interfere constructively or destructively, is there any gain or loss in energy? Explain.

3. The constant g for helium (and all monatomic gases) is 1.67. If a man inhales helium and then commences to speak, he sounds like Alvin of the Chipmunks. Why?

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