Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · Structure of the AtomMedium · 45s
Statement: The uncertainty principle places fundamental limits on the simultaneous measurement of: 1. Position and momentum 2. Energy and time Select the correct code:
TopicStructure of the Atom
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Heisenberg’s Uncertainty Principle applies to both position-momentum and energy-time pairs.
Final Answer: Option C — Both 1 and 2