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The sound level produced by one singer is 70.8 dB. What would be the sound level produced by a chorus of 37 such singers (all singing at the same intensity at approximately the same distance as the original singer)
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What type of light does this light bulb produce most (i. e. at what wavelength does the spectrum have maximum intensity)?
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What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34
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The sound level produced by one singer is 70.8 dB. What would be the sound level produced by a choru...
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