Question

A particle having mass 100 mg is moving with a speed of 200 m/s. the associated wavelength of the particle is (h = 6.626 × 10–34js)

Answer 1

KE =1/2*mV^2

E = hV/∧

both will be same

∧ =2h/mV = 2*6.626*10^(-34)/.01*200 =h =6.626*10^-34