Selected MCQ

Current Question
The phase difference between displacement and velocity in SHM is:
  • A. 0
  • B. (\pi/4)
  • C. (\pi/2)
  • D. (\pi)
Correct Answer: C
Explanation:
Velocity leads displacement by a quarter cycle in SHM.
Related Question 1
The Berry phase arises due to:
  • A. Dissipation
  • B. Cyclic adiabatic evolution
  • C. Thermal fluctuations
  • D. Measurement collapse
Correct Answer: B
Explanation:
Geometric phase accumulates during cyclic parameter evolution.
Related Question 2
Which phase of cell cycle duplicates DNA?
  • A. G1
  • B. S
  • C. G2
  • D. M
Correct Answer: B
Explanation:
DNA synthesis occurs in S phase.
Related Question 3
Which force acts between charges?
  • A. Gravitational
  • B. Magnetic
  • C. Electric
  • D. Nuclear
Correct Answer: C
Explanation:
Electric force acts on charges.
Related Question 4
Which phase produces ATP most?
  • A. Glycolysis
  • B. Krebs cycle
  • C. Electron transport chain
  • D. Fermentation
Correct Answer: C
Explanation:
Oxidative phosphorylation yields most ATP.
Related Question 5
In quantum electrodynamics, the interaction between charged particles is mediated by:
  • A. Gluons
  • B. Photons
  • C. Gravitons
  • D. W bosons
Correct Answer: B
Explanation:
Electromagnetic interactions occur via exchange of virtual photons.