Why is UV light dangerous?
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Why is UV light dangerous?
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- b) The visible spectrum of mercury is shown below: 200, 700 Mercury 280Hg 80¹ 623,4 [615,2 579 577 600 56 1546,1 (.. |502,5 ch 500 435,81 Explain what physical quantity is being measured on the scale and give the units. 407,8404,7 Explain the similarities and differences of the photons that give rise to the different bands on the spectrum. 1 400 R LAVENCalculate the frequency of radiation for sodium vapor lamp used in public lighting systems that has a wavelength of 599nm. If the lamp gives off yellow light, what color of light is primarily being absorbed? Calculate the energy of one photon for this wavelength.Why the emitted photons from a Hydrogen atom only have certain colours?