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Question- What is the wavelength of light emitted when an electron in a hydrogen atom undergoes a transition from energy level n=4 to n=2?
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Over the next 12 months Bradley Metals (Located in Vancouver) will order aprox. 6000 of forging units (from Kurrat Tools, located in Montreal) with the average weight of 15 LBS/unit.(6000/12= 500 units per month). 6,00 ...
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