Carbon-II decays to boron-II according to the following formula.

11
‌6
C→
11
‌5
B+e++υe+0.96‌MeV
Assume that positrons (e‌+) produced in the decay combine with free electrons in the atmosphere and annihilate each other almost immediately. Also assume that the neutrinos (υe) are massless and do not interact with the environment. At t = 0 we have 1 µg of
12
‌6
C . If the half-life of the decay process is t0, the net energy produced between time t = 0 and t=2t0 will be nearly -

Question

Examsnet · Accepted Answer

Correct Answer is :  8 × 10‌16 MeV

KVPY SX SB Exam 2015 Question Paper