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Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving
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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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Physics, 23.06.2019 12:00
Which wave would cause destructive interference at every point of the wavelength and completely cancel out the wave?
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When lifting something heavy, focus on lifting with your back not your legs. A. True B. False...
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