Two in-phase loudspeakers, a and b, are separated by 3.20 m. a listener is stationed at c, which is 2.40 m in front of speaker b. both speakers are playing identical 214-hz tones, and the speed of sound is 343 m/s. does the listener hear a loud sound, or no sound?
Answers: 1
Physics, 21.06.2019 19:50
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Physics, 22.06.2019 05:00
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
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Physics, 22.06.2019 08:00
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Answers: 1
Two in-phase loudspeakers, a and b, are separated by 3.20 m. a listener is stationed at c, which is...
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