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PHYSICS exam 1 Practice - room(b What is the temperature of...

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1. A narrow glass tube 0.50-m long and sealed at its bottom end with a cork is held vertically just below a loudspeaker that is connected to an audio oscillator and amplifier. A tone with a gradually increasing frequency is fed into the tube, and a loud resonance is first observed at 170 Hz. (a) What is the speed of sound in the
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Unformatted text preview: room? (b) What is the temperature of the air in the room? 2. Two identical piano strings are both tuned to 440 Hz. The tension is one is then increased 1.00%, and both strings, which are kept at the same length, are activated so that they sound their fundamental frequencies. What will be the resulting beat frequency?...
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