Question

Exposure of which of the following can be a health hazard

• A. Radio waves
• B. Infrared waves
• C. Ultraviolet rays
• D. Both (B) and (C)

Answer 1

The correct option is D

Both (B) and (C)

Only ultraviolet rays are known for their impact on human/animal skins. Radio waves are known to cause cancer in some conditions. So radio waves are also hazardous to human health. Infrared waves are known to have beneficial effects and used in many therapies.