Selected MCQ

Current Question
The Heisenberg uncertainty principle implies:
  • A. Exact prediction possible
  • B. Simultaneous measurement limits
  • C. Deterministic motion
  • D. No probability
Correct Answer: B
Explanation:
Certain pairs cannot be measured precisely together.
Related Question 1
Which principle states particles are indistinguishable?
  • A. Pauli principle
  • B. Superposition principle
  • C. Indistinguishability principle
  • D. Correspondence principle
Correct Answer: C
Explanation:
Quantum particles of same type are identical.
Related Question 2
The uncertainty in position and momentum obeys:
  • A. Exact equality always
  • B. Inequality relation
  • C. Zero uncertainty
  • D. Independent variables
Correct Answer: B
Explanation:
Position and momentum uncertainties are fundamentally constrained.
Related Question 3
Which principle states that identical fermions cannot occupy the same quantum state?
  • A. Heisenberg principle
  • B. Pauli exclusion principle
  • C. Hund’s rule
  • D. Aufbau principle
Correct Answer: B
Explanation:
Fermions obey antisymmetric wavefunctions prohibiting identical states.