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MGIMS WARDHA MGIMS WARDHA Solved Paper-2006

  • question_answer
    In the nuclear reaction,\[_{\text{72}}^{\text{180}}\text{ }\!\!\times\!\!\text{ }\xrightarrow{\text{- }\!\!\alpha\!\!\text{ }}\text{Y}\xrightarrow{\text{- }\!\!\beta\!\!\text{ }}\text{Z}\xrightarrow{\text{- }\!\!\alpha\!\!\text{ }}\text{A}\xrightarrow{\text{- }\!\!\gamma\!\!\text{ }}\] The atomic mass and number of P are, respectively:                          

    A) 170, 69                 

    B) 172, 69        

    C) 172, 70                                 

    D) 170, 70        

    Correct Answer: B

    Solution :

    \[_{72}{{X}^{80}}{{\xrightarrow{-\alpha }}_{70}}{{Y}^{176}}{{\xrightarrow{-\beta }}_{71}}{{Z}^{176}}\xrightarrow{-\alpha }\]\[_{69}{{A}^{172}}{{\xrightarrow{-\gamma }}_{69}}{{P}^{172}}\]


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