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An electric dipole is along a unifrom el...

An electric dipole is along a unifrom electric field.If it is deflected by `60^(@)` ,work done by an agent is `2xx10^(-19)J`.then the work done by an agent if it is deflected by `30^(@)` futher

A

`2.5xx10^(-19)J`

B

`2xx10^(-19)J`

C

`4xx10^(-19)J`

D

`2xx10^(-16)J`

Text Solution

Verified by Experts

The correct Answer is:
2

`W_(1)=pE(1-costheta)and W_(2)=pE(costheta_(1)-costheta_(2))`
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