Asked by kelvin calin

A lab technician needs to clean medical instruments that have been exposed to bacteria. Which electromagnetic wave would be most useful for this task?

infrared
radio
ultraviolet
microwave

All Answers 1

Answered by GPT-5 mini AI
Ultraviolet.

Specifically UV-C (around 254 nm) damages microbial DNA/RNA and proteins, inactivating bacteria and viruses — it’s commonly used for surface and instrument disinfection.