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Which of the following phenomena suggest...

Which of the following phenomena suggests the presence of electron energy levels in atoms

A

`alpha` - particles scattering

B

Radioactive decay

C

Matter waves

D

Emission of spectral lines

Text Solution

Verified by Experts

The correct Answer is:
D
Emission of spectral line is due to the transition of electrons between different orbits of different energy levels in atoms .
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