Bones image is shown on x-ray photogarph because x-rays can be --------.
Correct answer: C. Absorbed by bones
- A. Transmitted through bones
- B. Reflected by bones
- C. Absorbed by bones
- D. Scattered by bones
Explanation
Dense bone absorbs much of the radiation while soft tissue (muscle, fat, and organs) allow more of the x-rays to pass through them. As a result, bones appear white on the x-ray, soft tissue shows up in shades of gray, and air appears black. So, option C is correct.
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Radiation in medicine includes X-rays and gamma rays for imaging, radioactive tracers for diagnosis, and controlled radiation for destroying cancerous tissue. The topic also covers CT scans, PET imaging, radiotherapy, sterilisation, half-life and dosage, alongside biological damage, shielding and the need to balance diagnostic or therapeutic benefit against exposure.
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