InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
A particle of mass 3 xx 10^(-6) g has the same wavelength as an electron moving with a velocity 6 xx 10^(6) ms^(-1). The velocity of the particle is…………………… |
| Answer» <html><body><p>`1.82 xx <a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a>^(-18) ms^(-1)` <br/>`9 xx 10^(-<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>) ms^(-1)` <br/>`<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a> xx 10^(-31) ms^(-1)` <br/>`1.82 xx 10^(-15) ms^(-1)` </p>Solution :de-Broglie wavelength of electron <br/> `lambda = (h)/(mv) = (6.63 xx 10^(-34))/(9.1 xx 10^(-31) xx 6 xx 10^(6)) = 1.214 xx 10^(-10)`m <br/> Velocity of the <a href="https://interviewquestions.tuteehub.com/tag/particle-1147478" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICLE">PARTICLE</a> <br/> `v = (h)/(m lambda) = (6.63 xx 10^(-34))/(3 xx 10^(-9) xx 1.214 xx 10^(-10)) = 1.8204 xx 10^(-15) ms^(-1)`</body></html> | |