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To determine the half life of radioactive element, a graph is plotted between ln|dN/dt| versus t|dN/dt| representing the rate of radioactive decay at time t. If the number of radioactive nuclei of this element decreases by a factor of p after 4.15 years, the value of p is

(1) 2

(2) 4

(3) 6

(4) 8

1 Answer

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Best answer

Correct option : (4) 8

Explanation :

which is of the form of a straight line y = mx + c whose slope is - λ = 3 - 4/6 - 4

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