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A radioactive substance X decays into an...

A radioactive substance X decays into another radioactive substance Y Initially only X was present. `lambda_(x)` and `lambday_(y)` are the disnttegration constants of Xa nd Y `N_(x)` and `N_(y)` are the number of nuclie of X and Y at any time t. Number of nuclei `N_(y)` will be maximum when

A

`N_y/(N_x-N_y)=lamda_y/(lamda_x - lamda_y)`

B

`N_x/(N_x-N_y)=lamda_x/(lamda_x - lamda_y)`

C

`lamda_yN_y= lamda_x N_x`

D

`lamda_yN_x=lamda_xN_y`

Text Solution

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The correct Answer is:
C
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