Experiments show that each element in the has a unique set of spectral lines. Ex

Question

Experiments show that each element in the has a unique set of spectral lines. Explain in your own words under such is emitted or absorbed and why each element has a unique spectrum. Imagine an atom that has only four possible, discrete energy levels. Assuming that all transitions between these levels are allowed, how many spectral lines can this imaginary atom produce? Explain your reasoning. The figure shows an approximate energy level diagram for the hydrogen atom. transitions are shown and labeled by letters, Which transition corresponds to the absorption of the photon with the longest wavelength? Explain your reasoning.

Explanation / Answer

1.)because different atom has different electron making transitions between two energy levels in the atom.and even no of energy levels are also different

2.) no of spectral lines = n(n-1)/2 s

at n= 4

no spectral lines = 4*3/2 = 6 lines

3.) in transition c

the longest wavelength is absorbed that means lowest energy is gained means energy level gap is minimum so option c is correct

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