1.

An alpha particle of energy 5 MeV is scattered through 180^(@) by a found uramiam nucleus . The distance of closest approach is of the order of

Answer»

`5.3 xx 10^(-12) m`
`5.3 xx 10^(-13) m`
`5.3 xx 10^(-14) m`
`5.3 xx 10^(-15) m`

Answer :C


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