Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
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Q · Structure of the AtomMedium · 45s
Which of the following statements about Rutherford’s atomic model are correct? 1. The atom has a dense positively charged nucleus. 2. Electrons revolve around the nucleus in circular orbits. 3. Rutherford’s model could explain the stability of the atom. Select the correct answer using the codes below:
TopicStructure of the Atom
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Q 1 / 30Next question →
Step-by-Step Solution
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Rutherford’s model proposed a small, dense nucleus and electrons revolving around it. However, it could not explain the stability of the atom, as revolving electrons should radiate energy and spiral into the nucleus.
Final Answer: Option A — 1 and 2 only