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An electron of mass m with an initial ve...

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 ) =- E_(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

A

` lamda _ 0 t `

B

` lamda _ 0 (1 + (eE_0 ) /(mV _ 0) t ) `

C

` ( lamda _ 0 ) /((1 + (e E_0 ) /(mV _ 0 ) t )) `

D

` lamda _ 0 `

Text Solution

Verified by Experts

The correct Answer is:
C
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