The velocity of a particle of mass m of de-Broglie wavelength λ is______________? April 17, 2025 by admin A. v = 3 ×× 106 ms-1 B. v = 2 ×× 10 ms-1 C. v = 2 ×× 6 ms-1 D. v = 2 ×× 106 ms-1
