A photon of energy .E. ejects a photoelectron from a metal surface whose work functions is W. If this electron enters into a uniform magnetic field of induction .B. in a direction perpendicular to the field and describes a circular path of radius .r., then the radius .r. is given by, (in the usual notation)

A photon of energy .E. ejects a photoelectron from a metal surface who

1.	A photon of energy .E. ejects a photoelectron from a metal surface whose work functions is W. If this electron enters into a uniform magnetic field of induction .B. in a direction perpendicular to the field and describes a circular path of radius .r., then the radius .r. is given by, (in the usual notation)
Answer» `(SQRT(2M(E-W_(0))))/(eB)` `sqrt(2m(E-W_(0))eB)` `(sqrt(2E(E-W_(0))))/(MB)` `(sqrt(2m(E-W_(0))))/(eB)` Answer :D

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