If the de Broglie wavelength of an electron is equal to times the wavelength of a…

PHYSICS · Single correct · CBSE · Physics · Dual Nature of Radiation and Matter · Dual Nature of Radiation and Matter

Problem

If the de Broglie wavelength of an electron is equal to

10^{-3}

times the wavelength of a photon of frequency

6 \times 10^{14}

Hz, what is the speed of the electron? (1)

1.1 \times 10^6

m/s (2)

1.7 \times 10^6

m/s (3)

1.8 \times 10^6

m/s (4)

1.45 \times 10^6

m/s