Which of the following statements on the use of X-rays is incorrect? X-rays are used

JAMB 1980

Which of the following statements on the use of X-rays is incorrect? X-rays are used

A. in hospitals to obtain photogaphs 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

E. to detect alternations which have been made to works of art

Correct Answer: Option C

Explanation

The radiography of cultural objects is the use of radiography to understand intrinsic details about objects. Most commonly this involves X-rays of paintings to reveal underdrawing, pentimenti alterations in the course of painting or by later restorers, and sometimes previous paintings on the support.

Hard X-rays are used for destroying cancerous cells

Soft X-rays are used in medicine to photograph human parts

In the present work, the spatial elemental imaging capabilities of micro-X-ray fluorescence (MXRF) were used to visualize fingerprint patterns based on inorganic elements present in the prints.

However; Cobalt-60 is widely used in industrial radiography for the rapid checking of faults in wields and castings.

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