Question

A photon of ultraviolet (UV) light possesses enough energy to mutate a strand of human DNA. What is the energy of a single UV photon having a wavelength of 27 nm?

Answer 1

Planck's equation

Energy=PlancksConstant*c/lambda

Answer 2

i did.

(6.63e-34)(3e8)/27 its wrong...

Answer 3

What is a nm? Hint, it means nanometer.