At a given instant, say t = 0, two radioactive substance A and B have equal activities. the ratio … of their activities after time t itself decays with time t as e^…3t. If the half-life of A is ln², the half-life of B is :

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Atoms and Nuclei

JEE Main 2019 · 9 Jan, Evening shift · Q6094

PhysicsHard183×since 2002Q6094

At a given instant, say t = 0, two radioactive substance A and B have equal activities. the ratio

{{{R_B}} \over {{R_A}}}

of their activities after time t itself decays with time t as e^

-

3t. If the half-life of A is ln², the half-life of B is :

JEE Main 2019 · 9 Jan, Evening shift · Q6094

PhysicsHard183×since 2002Q6094

At a given instant, say t = 0, two radioactive substance A and B have equal activities. the ratio

{{{R_B}} \over {{R_A}}}

of their activities after time t itself decays with time t as e^

-

3t. If the half-life of A is ln², the half-life of B is :