A photon has momentum of magnitude .

PHYSICS · Multi-part · A Level · Physics · Particles and radiation · Particles and radiation

Problem

A photon has momentum of magnitude 8.24×10−28 kg m s−18.24\times10^{-28}\,\mathrm{kg\,m\,s^{-1}}. (a) What is the energy of this photon? Give your answer in joules and in electron volts. (b) What is the wavelength of this photon? In what region of the electromagnetic spectrum does it lie?

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