Magnetic Resonance Imaging (MRI)is a Much Used Noninvasive Diagnostic Technique

Multiple Choice

Magnetic Resonance Imaging (MRI) is a much used noninvasive diagnostic technique in medicine.The radio frequency photons used have energies of about 10^-7 eV.What wavelength does this correspond to?

A) 12 nm
B) 1.2 m
C) 12 m
D) 1.2 nm
E) 120 m