A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta

A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta particles in the next 2 s. The mean life of the sample is

Options

(a) 4 s
(b) 2 s
(c) 1/(ln 2) s
(d) 2 (ln 2) s

Correct Answer:

1/(ln 2) s

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. A short linear object of length L lies on the axis of a spherical mirror of focal
  2. A stone is dropped from a height h. It hits the ground with a certain momentum P. If the same stone is dropped from a height 100
  3. When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
  4. Which one of the following bonds produces a solid that reflects light in the visible region
  5. A car is moving with uniform acceleration. It covers 200 m in 2 sec and 220 m