   Chapter 30, Problem 63PE

Chapter
Section
Textbook Problem

Integrated ConceptsSuppose an MRI scanner uses 100-MHz radio waves.(a) Calculate the photon energy.(b) How does this compare to typical molecular binding energies?

(a)

To determine

The photon energy

Explanation

Given Data:

Given that MRI scanner uses 100MHz radio waves

Formula Used:

Energy and frequency are related as follows:

E=hv

Where E= Energy

h= Planck's constant

v= Frequency

Calculation:

We have h=6.626×1034J.s and v=100MHz

Thus, photon energy is calculated as

E=6.626×1034J.s100MHz

E=6.626×1034J

(b)

To determine

How does the calculated photon energy compare to typical molecular binding energies?

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