Bio-Physics (M.Phil./Ph.D.) 2014 Panjab University Entrance Exam With Answers

Practice Mode:
29.

Which of the following statements is FALSE about the NMR experiment.

A: The energy required to flip the spin of a proton is in the infrared region of the electromagnetic spectrum.
B: The energy difference between the two spin states depends on the strength of the magnetic field.
C: When energy absorption occurs, the nuclei are said to be in resonance with the electromagnetic radiation.
D: When a proton is alignment with the magnetic field, its energy is lower than when it is aligned against the magnetic field.

The answer is: A