1.

Rutherford studied the first nuclear reaction `[._(7)^(14)N(alpha,p) ._(8)^(17)O]` which take place with a change in energy equivalent to `1.193 MeV`. Later on various types of nuclear reactions such as artifical radioactivity, artifical transmutatoon , nuclear fission, nuclear fussion, spallation reactions etc. were studied. The reaction `._(97)^(14)N + ._(2)^(4)He + ._(8)^(17)O + ._(1)^(1)H` may be carried out by bombaring `N` atoms with `alpha-` particles of energy:A. `= 1.193 MeV`B. `gt 1.193 MeV`C. `lt 1.93 MeV`D. `le 1.93 MeV`

Answer» Correct Answer - `b`
`alpha-` particle need more energy to penetrate nuclei to over power energy barrier.


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