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Deutron and allpha- particle are put 1...

Deutron and `allpha`- particle are put 1Å apart in air. Magnitude of intensity of electric field due to deutron at `alpha-`particle is

A

Zero

B

`2.88xx10^(11)` newton / coulomb

C

`1.44 xx 10^(11)` newton / coulomb

D

`5.76xx10^(11)` newton / coulomb

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