# Wave Eq WS 2.pdf - Wave Problems 1.

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Wave Problems 1.A pipe organ creates a sound with a speed of 331 m/s and a wavelength of 10.6 m. What is its frequency? 2.What is the speed of an earthquake’s s-wave with a 2.3 x 104 m wavelength and a 0.065 Hz frequency? 3.The notes produced by a violin range in frequency from 196 Hz to 2637 Hz. Find the possible range of wavelengths in air produced by this instrument when the speed of sound in air is 340 m/s.
4.A sound wave travelling at 343 m/s is emitted by the foghorn of a tugboat. An echo is heard 2.6 seconds later. How far away is the reflecting object? 5.A piano emits frequencies that range from a low of about 28 Hz to a high of about 4200 Hz. Find a range of wavelengths in air attained by this instrument when the speed of sound is 340 m/s. 6.Yellow light travels through a certain glass block at a speed of 1.97 x 108 m/s. The wavelength of the light in this particular type of glass is 3.81 x 10-7 m. What is the frequency of the yellow light?
Wave Problems 7.

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