ElectrostaticsHard
Question
An electrical mass me, initially at rest, moves through a certain diatnce in a uniform electric field in time t1. A proton of mass mp also, initially at rest, takes time t2 to move through an equal distnce in this uniform electric field. Neglecting the effect of gravity, the ratio t2 / t1 is nearly equal to
Options
A.1
B.(mp / me)1/2
C.(me / mp)1/2
D.1836
Solution
Electrostatic force, Fe = eE(for both the particles)
But acceleration of electron, ae = Fe/me and
acceleration of proton, ae = Fe/mp
∴
But acceleration of electron, ae = Fe/me and
acceleration of proton, ae = Fe/mp
∴
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