Q.7 MRI machine uses magnetic field to create detailedimages of human soft organs. Can you
elaborate the basic concept of working of MRI scanner? How thestrong magnetic field is
produced in MRI scanner to scan the organs? Discuss the role ofradio waves in MRI machines?
Write down major parts used in MRI machine. What would happen ifthe north-pole end of a bar
magnet is held near a positively charged piece of plastic? Justifyyour answer. X-ray machine
and MRI machine do the same job of human organ scanning. Analyzeboth the machines and
discuss three merits and demerits of it.