When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?

(A) 0.33 nm ()
(B) 0.34 nm (X)
(C) 0.35 nm (X)
(D) 0.36 nm (X)

Answers: When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is  0.33 nm.