what will be de-broglie wavelength of an electron
What will be de-Broglie wavelength of an electron moving with a velocity of 1.2 x 10 5 ms-1:
(1) 6.068x 10-9
(2) 3.133 x 10 -37
(3) 6.626x 10-9
(4) 6.018x 10-7
Ans: 6.626x 10-9
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