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Physics, 22.06.2019 10:30
Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?
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Physics, 22.06.2019 11:00
What is the measurement of how fast an object moves relative to a reference point?
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Physics, 22.06.2019 14:40
How does an observation about an object differ from an inference about that object
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Anyone listen to nf???.?...
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