Which of the following does not use ionising | vedclass

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Question

(C) $PET$ (Positron Emission Tomography) scanning uses radioactive tracers that emit positrons,which are ionising radiations.$CT$ (Computed Tomography

Vedclass · Accepted Answer

$NMR$

Vedclass · Answer

(C) $PET$ (Positron Emission Tomography) scanning uses radioactive tracers that emit positrons,which are ionising radiations.$CT$ (Computed Tomography) scanning uses $X-$rays,which are a form of ionising radiation.$NMR$ (Nuclear Magnetic Resonance),commonly known as $MRI$ (Magnetic Resonance Imaging),uses strong magnetic fields and radio waves to generate images. Radio waves are non-ionising radiations.Contrast $X-$ray imaging uses $X-$rays,which are ionising radiations.Therefore,$NMR$ is the correct answer as it does not use ionising radiation.

Which of the following does not use ionising radiations?

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