Solved UPSC CDS/OTA Question
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Q · Structure of the AtomMedium · 45s
Which model of the atom proposed that electrons revolve in fixed orbits around the nucleus?
TopicStructure of the Atom
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Niels Bohr proposed that electrons revolve in fixed, quantized orbits around the nucleus without radiating energy.
Final Answer: Option D - Bohr’s Model