With what velocity must an electron travel so that its momentum is equal to that of a photon of wavelength 560nm? Share with your friends Share 5 Shruti Srivastava answered this Dear Mohammed Imaduddin, λ=hmvh=planck constantλ=wavelengthmv=momentum for photonmv=6.626×10-34 Js560×10-9 m this value will be equal to mv (for e)m=mass of eso mv=6.626×10-34 Js560×10-9 mJ=Kg m2 s-2v=6.626×10-34 Kg m2 s-2 ×s5.6×10-7 m×9.1×10-31 kg=1.3×103 m/svelocity of an e=1.3×103 m/sRegards 13 View Full Answer
