Match List $I$ of the nuclear processes with List $II$ containing parent nucleus and one of the end products of each process and then select the correct answer using the codes given below the lists :

List $I$ List $II$
$P.$ $\quad$ Alpha decay  $1.$ $\quad{ }_8^{15} 0 \rightarrow{ }_7^{15} N +\ldots \ldots$.
$Q.$ $\quad$ $\beta^{+}$decay $2.$ $\quad{ }_{92}^{238} U \rightarrow{ }_{90}^{234} Th +\ldots \ldots$.
$R.$ $\quad$Fission $3.$ $\quad{ }_{83}^{185} Bi \rightarrow{ }_{82}^{184} Pb +\ldots \ldots$.
$S.$ $\quad$Proton emission $4.$ $\quad{ }_{94}^{239} Pu \rightarrow{ }_{57}^{140} La +\ldots \ldots$.

Codes: $ \quad \quad P \quad Q \quad R \quad S $ 

  • [IIT 2013]
  • A

    $\quad 4 \quad 2 \quad 1 \quad 3 $

  • B

    $\quad 1 \quad 3 \quad 2 \quad 4 $

  • C

    $\quad 2 \quad 1 \quad 4 \quad 3 $

  • D

    $\quad 4 \quad 3 \quad 2 \quad 1 $

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