What amount of energy is evolved by one curie of Rn (an -emitter) in: Given that…

PHYSICS · Multi-part · A Level · Physics · Nuclear physics · Nuclear physics

Problem

What amount of energy is evolved by one curie of Rn (an

\alpha

-emitter) in: Given that kinetic energy of one

\alpha

-particle is 5.5 MeV and

\lambda = 2 \times 10^{-6} \text{ sec}^{-1}

for Rn. (1) one hour (2) its mean life?