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An electron is projected with velocity v...

An electron is projected with velocity `v_(0)` in a unifrom electric field E perpendicular to the field Again it is projectced with velocity `v_(0)` perpendicular to a unifrom magnetic field `B .` if `r_(1)` is initial radius of curvature just after entering in the electric field and `r_(2)` is initial radius of curvature just after entering in magnetic field then the ratio `r_(1)//r_(2)` is equal to .

A

`(Bv(2)o)/(E)`

B

`(B)/(E)`

C

`(Evo)/(B)`

D

`(Bvo)/(E)`

Text Solution

Verified by Experts

The correct Answer is:
D
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