Photon A has wavelength 250 nm

PHYSICS · Subjective · A Level · Physics · Particles and radiation · Particles and radiation

Problem

Photon A has wavelength 250 nm. Photon B has an energy that is

3.0\times10^{-19}\,\text{J}

greater than that of Photon A. Using

h=6.626\times10^{-34}\,\text{J}\,\text{s}

and

c=3.00\times10^{8}\,\text{m}\,\text{s}^{-1}

, calculate the wavelength of Photon B in nanometers.