In an isolated atom, an electron's energy is fixed by its:
ACharge
BOrbit
CColour
DWeight
Answer & Solution
Correct answer: B. Orbit
1. The Bohr model describes the isolated atom.
2. Each allowed orbit carries its own energy.
3. So the orbit decides the electron's energy.
_Source: NCERT Class 12 Physics Part II, Chapter 14, Semiconductor Electronics._
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