Question

An electron has the same de Broglie wavelength as the wavelength of a 1.8 eV photon. What is the speed of the electron? ($m_{electron} = 9.11 \times 10^{-31}$ kg, $c = 3.00 \times 10^8$ m/s, 1 eV = $1.60 \times 10^{-19}$ J) 980 m/s 770 m/s 910 m/s 840 m/s 1100 m/s

          An electron has the same de Broglie wavelength as the wavelength of a 1.8 eV photon. What is the speed of the electron? ($m_{electron} = 9.11 \times 10^{-31}$ kg, $c = 3.00 \times 10^8$ m/s, 1 eV = $1.60 \times 10^{-19}$ J)
980 m/s
770 m/s
910 m/s
840 m/s
1100 m/s

An electron has the same de Broglie wavelength as the wavelength of a 1.8 eV photon. What is the speed of the electron? (melectron = 9.11 × 10^-31 kg, c = 3.00 × 10^8 m/s, 1 eV = 1.60 × 10^-19 J)
980 m/s
770 m/s
910 m/s
840 m/s
1100 m/s

Added by Jennifer F.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Elan Stopnitzky

06/05/2019

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626 x 10^-34 m^2 kg / s), and p is the momentum of the electron. Show more…

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An electron has the same de Broglie wavelength as the wavelength of a 1.8eV photon. What is the speed of the electron? {(:eV=1.60 imes 10^(-19)(J))} 980(m)/(s) 770(m)/(s) 910(m)/(s) 840(m)/(s) 1100(m)/(s) An electron has the same de Broglie wavelength as the wavelength of a 1.8 eV photon. What is the speed of the eV = 1.60 x 10-19 J) 980 m/s 770 m/s 910 m/s 840 m/s 1100 m/s