Question on: JAMB Physics - 2020
Which of the following statements on the use of X-rays is incorrect? X-rays are used
A
In a hospital to obtain photographs of tissues and bones in the body
B
For the treatment of malignant growths like cancer cells
C
In detecting fingerprints
D
To reveal hidden flaws in metal castings and welded joints work of art
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Correct Option: C
X-rays are used in various applications, but not for detecting fingerprints. Here's a breakdown:
* **A.** Correct. X-rays are used in medical imaging (radiography) to visualize bones and internal tissues.
* **B.** Correct. X-rays are used in radiation therapy to treat cancer cells.
* **C.** Incorrect. Fingerprints are typically detected using techniques like dusting with powder or chemical treatments, not X-rays.
* **D.** Correct. X-rays can penetrate materials and are used in industrial radiography to detect flaws in metal structures.
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