A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference V esu. If e and m are charge and mass of an electron, respectively, then the value of h//lambda (where lambda is wavelength associated with electron wave) is given by

A stream of electrons from a heated filament was passed between two ch

1.	A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference V esu. If e and m are charge and mass of an electron, respectively, then the value of h//lambda (where lambda is wavelength associated with electron wave) is given by
Answer» <html><body><p>`sqrt(2meV)`<br/>meV<br/>2meV<br/>`sqrt(meV)`</p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :K.E of an electron`rarr` <a href="https://interviewquestions.tuteehub.com/tag/charge-914384" style="font-weight:bold;" target="_blank" title="Click to know more about CHARGE">CHARGE</a> x <a href="https://interviewquestions.tuteehub.com/tag/potential-1161228" style="font-weight:bold;" target="_blank" title="Click to know more about POTENTIAL">POTENTIAL</a> <br/> `rarr e <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> v` <br/> `therefore lambda=(h)/sqrt(2xxK>Exxm)` <br/> `(h)/(lambda)=sqrt(2eVm)`</body></html>