An electron (mass m) with an initial velocity `v=v_(0)hat(i)(v_(0)gt0)` is in an electric field `E=-E_(0)hat(l)(E_(0)="constant"gt0)`. Its de-Broglie wavelength at time t is given by

An electron (mass m) with an initial velocity vecv=v_(0)hati is in an electric field vecE=E_(0)hatj . If lambda_(0)h//mv_(0) . It's de-broglie wavelength at time t is given by

An electron (mass m) with initial velocity bar(v) = -v_(0)hati + 3v_(0)hatk is in an electric field hatE = = 2E_(0)hatj . If lamda_(0) is initial de-Broglie wavelength of electron, its de-Broglie wave length at time t is given by :

An electron of mass m with an initial velocity vec(v) = v_(0) hat (i) (v_(0) gt 0) enters an electric field vec(E ) = v_(0) hat (i) (E_(0) = constant gt 0) at t = 0 . If lambda_(0) is its de - Broglie wavelength initially, then its de - Broglie wavelength at time t is

An electron (mass m ) with initival velocity vecv = v_(0) hati + v_(0) hatj is the an electric field vecE = - E_(0)hatk . It lambda_(0) is initial de - Broglie wavelength of electron, its de-Broglie wave length at time t is given by :

An electron (mass m) with initial velocity vecv = v_0 hati + 2v_0 hatj is in an electric field vecE = E_0 hatk . If lamda_0 is initial de-Broglie wavelength of electron, its de-Broglie wave length at time t is given by :

An electron of mass 'm' is moving with initial velocity v_0hati in an electric field vecE=E_0hati Which of the following is correct de Broglie wavelength at a given time t (lamda_0 is initial de Broglie wavelength ).

An electron is moving with an initial velocity vecv=v_(0)hati and is in a magnetic field vecB=B_(0)hatj . Then it's de-Broglie wavelength

An electron in an electron microscope with initial velocity v_(0)hati enters a region of a stray transverse electric field E_(0)hatj . The time taken for the change in its de-Broglie wavelength from the initial value of lambda to lambda//3 is proportional to