Question

Among the following, which is not true for ultraviolet light?

• A. induces the production of more melanin, causing tanning of the skin
• B. can be focused into very narrow beams
• C. kills germs in water purifiers
• D. used in eye surgery
• E. treatment for certain forms of cancer

Answer 1

Answer: (E)

Correct answer is (e) treatment for certain forms of cancer