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NDA 2023 GAT · General Knowledge · Chemistry in Everyday Life · medium

Magnetic resonance imaging (MRI) used in medical diagnosis is based on the principle of

Single correct option

Magnetic resonance imaging (MRI) used in medical diagnosis is based on the principle of
  1. A. X-ray absorption
  2. B. Ultrasonic reflection
  3. C. Nuclear magnetic resonance
  4. D. Radioactive decay
Show answer and solution

Answer: (C) Nuclear magnetic resonance

MRI places the body in a strong magnetic field and uses radio waves to flip hydrogen nuclei, whose signals are turned into an image. X-rays are used in radiography and CT, and ultrasound reflection is used in sonography.
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Original question written in the NDA 2023 GAT pattern and checked twice for the correct answer. Not an official question paper. How we write and check questions · Corrections policy · Report a mistake