If the de Broglie wavelength of an electron is equal to the 10^–3 times the wavelength of a photon of frequency 6 … 10¹⁴ Hz, then the speed of electron is equal to : (Speed of light = 3 … 10⁸ m/s, Planck's constant = 6.63 … 10^–34 J.s, Mass of electron = 9.1 … 10^–31 kg)

Dual Nature of Radiation

JEE Main 2019 · 11 Jan, Morning shift · Q6540

PhysicsMedium145×since 2002Q6540

If the de Broglie wavelength of an electron is equal to the 10^–3 times the wavelength of a photon of frequency 6

\times

10¹⁴ Hz, then the speed of electron is equal to : (Speed of light = 3

\times

10⁸ m/s, Planck's constant = 6.63

\times

10^–34 J.s, Mass of electron = 9.1

\times

10^–31 kg)