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The best evidence that electrons are arr...

The best evidence that electrons are arranged in definite orbits or energy levels is based on the observation that

A

Atomic spectra consist of discrete lines and not continuous bands

B

Electrons in the beta ray have high kinetic energy

C

The penetrating power of cathode ray electrons depends upon the voltage used to produce them

D

Electrons revolve around the nucleus

Text Solution

Verified by Experts

The correct Answer is:
A
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