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  3. 1) why do atoms have discrete spectral lines? 2) i

1) why do atoms have discrete spectral lines? 2) Is it possible for different atomic transitions,...

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Physics

1) why do atoms have discrete spectral lines?

2) Is it possible for different atomic transitions, in aparticular atom, to give off the same colour photons?why?

3) A beam of red photons and blue photons are sent through adiffraction grating simultaneously. Sketch the diffraction patternof both colours.

4) The spectrometer provided is able to measure angles to aprecision of 1 minute (1'). Given that 60'=1degree, convert thefollowing angles, 31degree 21' and 12degree 5', into degrees.

Answer & Explanation Solved by verified expert
3.9 Ratings (701 Votes)
1 These discrete lines are caused by discrete energy levels as dictated by the Bohr model of the atom When electrons jump up to an energy level because of excitation and come down back down they emit a photon or photons equal to the amount of energy needed to excite the electron in the    See Answer
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