A beam of electrons is accelerated by a potential difference of 10000 – InterviewSolution

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1.

A beam of electrons is accelerated by a potential difference of 10000 volts. The wavelewave associated with it will be(A) 0.0123 A(B) 1.23 A(C) 0.123 A(D) of these

Answer»

wavelength of electon = 12.27/√v A°

so, wavelength = 12.27/√10000 = 12.27/100 = 0.1227 A°

option c

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