The wavelength of de-Broglie wave is 2 μm, then its momentum (h = 6.63 x 10-34 Js) is
A. 3.315 x 10-28 kg ms-1
B. 1.66 x 10-28 kg ms-1
C. 4.97 x 10-28 kg ms-1
D. 9.9 x 10-28 kg ms-1
Answer:A
The wavelength of de-Broglie wave is 2 μm, then its momentum (h = 6.63 x 10-34 Js) is
A. 3.315 x 10-28 kg ms-1 B. 1.66 x 10-28 kg ms-1 C. 4.97 x 10-28 kg ms-1 D. 9.9 x 10-28 kg ms-1