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Why is it important always to use horizontal bars in unit fractions when performing unit conversions?
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The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656(red) and 486 (blue). light from a hydrogen lamp illuminates a diffraction grating with 500 lines per mm, and the light is observed on a screen 1.50 behind the grating. what is the distance between the first-order red and blue fringes?
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20 cubic inches of a gas with an absolute pressure of 5 psi is compressed until it’s press reaches 1...
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