Bohr’s basic idea of discrete energy levels in atoms and the process of emission of photons from the higher levels to lower levels was experimentally confirmed by experiments performed by
Text Solution
Verified by ExpertsThe correct answer is:
D
Franck and Hertz showed that exciting mercury vapour by electrons of energy 
eV and more mercury lines of energy 
eV were obtained.
First they were excited to level B and then when the atoms emitted spectral lines of 2530Å i.e. 
,Bohr’s concepts were verified.
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