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CBSE Class 12-science Answered

At time t = 0, N subscript 1 nuclei of decay constant lambda subscript 1 space a n d space N subscript 2 nuclei of decay constant lambda subscript 2 are mixed. The decay rate of the mixture is :
(A) N subscript 1 N subscript 2 space e to the power of negative left parenthesis lambda 1 plus lambda 2 right parenthesis t end exponent
(B) plus left parenthesis N subscript 1 over N subscript 2 right parenthesis e to the power of negative left parenthesis lambda 1 minus lambda 2 right parenthesis t end exponent
(C) plus left parenthesis N subscript 1 lambda subscript 1 e to the power of negative lambda subscript 1 t end exponent plus N subscript 2 lambda subscript 2 e to the power of negative lambda subscript 2 t end exponent right parenthesis
 
Asked by yugibo | 13 Apr, 2016, 09:27: PM
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Answered by Romal Bhansali | 15 Apr, 2016, 07:17: PM
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