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  4. The MRI (magnetic resonance imaging) body scanners used in hospitals operate with 400 MHz radio frequency.The wavelength corresponding to this radio frequency is

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Q. The $MRI$ (magnetic resonance imaging) body scanners used in hospitals operate with $400\, MHz$ radio frequency.The wavelength corresponding to this radio frequency is

Structure of Atom

Solution:

$\lambda=\frac{c}{v} =\frac{3\times10^{8}}{400\times10^{6}} =0.75\,m$