Category : Science

Nuclear Magnetic Resonance Quiz

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Questions & Options


1. Nuclear magnetic resonance is a physical phenomenon in which ------- is a string constant.

135740 Nuclei
135741 Isotope
135742 Molecules
135743 None of these

2. Nuclear magnetic resonance spectroscopy is widely used to determine the structure of:

135744 Inorganic molecules
135745 Organic molecules
135746 Sub molecules
135747 All of the above-mentioned

3. NMR is also routinely used in advanced medical imaging techniques, such as:

135748 X-Rays
135749 MRI
135750 Ultrasound
135751 Heat therapy

4. Since the resolution of the imaging technique depends on the ------------- of the magnetic field gradient.

135752 Magnitude
135753 Volume
135754 Vector
135755 Displays Ment

5. Which of the following principle of NMR usually involves sequential steps?

135756 Constant magnetic field B0
135757 Static magnetic field B0
135758 Nuclear spins around B0
135759 All of the above-mentioned

6. Nuclear magnetic resonance was first described and measured in molecular beams by whom?

135760 Isidor Rabi
135761 Felix Bloch
135762 Julian Schwinger
135763 Hans Georg Dehmelt

7. Nuclear magnetic resonance was first described and measured in molecular beams in which year?

135764 In the year 1938
135765 In the year 1948
135766 In the year 1958
135767 In the year 1978

8. ---------------------- likely observed nuclear magnetic resonance in 1941.

135768 Yevgeny Zavoisky
135769 Isidor Rabi
135770 Felix Bloch
135771 Julian Schwinger

9. The development of NMR as a technique in:

135772 Analytical chemistry
135773 Biochemistry
135774 Both of the above
135775 None of these

10. It can also be used for purity determination, provided that the structure and-----------------------.

135776 Molecular weight
135777 Internal standard
135778 Both of the above
135779 None of the above

11. Which is the application of NMR?

135780 Flow probes for NMR spectroscopy
135781 Process control
135782 Earth's field NMR
135783 All of the above-mentioned
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