Question

Can short wave UV kill bacteria on the surface of a bench?

Answer 1

Particularly at wavelengths around 260 nm–270 nm,UV breaks molecular bonds within microorganismal DNA, producing thymine dimers that can kill or disable the organisms.

Answer 2

Hey mate, here is your answer :

Yes, short wave ultraviolet rays can kill bacteria on the surface of a bench as it has very much power to destroy it !
Hope this answer helps you !!!