In FT-NMR, how are nuclei excited? – McqOptions

MCQOPTIONS

1.	In FT-NMR, how are nuclei excited?
A.	By radio-frequency radiation whose frequency is swept across a predetermined range
B.	By an intense pulse of radiation which contains a wide range of frequencies
C.	By an intense pressure
D.	None of the above
Answer» B. By an intense pulse of radiation which contains a wide range of frequencies

Discussion

No Comment Found

Related MCQs

<p>What is the name given to the relaxation process due to an interaction between an excited nucleus and the magnetic fields caused by nuclei in molecules moving around in the sample?</p>
<p>Cytochrome C has an isoelectric pH of</p>
<p>What does the Michelson interferometer do?</p>
<p>The frequency of precession, the transition frequency and the Larmor frequency are</p>
<p>In scanning electron microscopy</p>
<p>How do you turn a signal recorded in the time domain into a frequency domain signal?</p>
<p>When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens?</p>
<p>How many possible orientations do spin 1/2 nuclei have when they are located in an applied magnetic field?</p>
<p>In immunofluroscence microscopy, fluroscent compounds are attached to</p>
<p>An FT-IR instrument record a signal in the</p>