Q11 of 94 Page 440

In one average-life,

The correct answer is (c). This is because, the formula for average life calculation is,

So the decay will be more than half as dividing the half-life with 0.693 will give the result to be more than half of the active nuclei will decay.

As the mass number A increases, the binding energy per nucleon in a nucleus

Which of the following the wrong description of the binding energy of the nucleus?

In a radioactive decay, neither the atomic number nor the mass number changes. Which of the following particles is emitted in the decay?

During a negative beta decay,