ABC26PH1123 · Molecular Spectroscopy

Subject: Physical Chemistry · Chapter: Molecular Spectroscopy · Topic: NMR ESR Physical · Exam: NET JUNE 2016 · Marks: 2 · Difficulty: Medium

In an NMR spectrometer containing a 2.5 T magnet, Larmor precession frequency of 1 H is 100 MHz . The radiofrequency used in this spectrometer has an associated magnetic field strength of $2.5 \times 10^{-4} \mathrm{T}$. The duration of a $90^{\circ}$ pulse in this instrument is

(a)$25 \times 10^{-6} \mathrm{s}$

(b)$50 \times 10^{-6} \mathrm{s}$

(c)$25 \times 10^{-5} \mathrm{s}$

(d)$50 \times 10^{-5} \mathrm{s}$

Answer

Answer (as printed): A

Explanation

No explanation was printed for this question.

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