Please Select Chapter First !!
A particle of mass 1 mg has the same wavelength as an electron moving with a velocity of 3×106 ms-1. The velocity of the particle is
(a) 2.7×10-18 ms-1
(b) 9×10-2 ms-1
(c) 3×10-31 ms-1
(d) 2.7×10-21 ms-1
(mass of electrons =9.1×10-31kg)
elem
Other Reason
Difficulty Level: