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 Matter and Radiation: JEE Main 2019 Physics question

JEE Main 2019 · 11 Jan, Morning shift · Q6540

JEE Main 201911 Jan, Morning shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

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)

JEE Main 2019 Dual Nature of Matter and Radiation Question with Solution (11 Jan Morning shift, Q6540) | JEE Arc