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 stone tied to the end of a string of 1 m long is whirled in a horizontal circle
  2. When a charged oil drop moves upwards in an electric field,
  3. A wave in a string has an amplitude of 2cm. The wave travels in the positive direction
  4. The maximum particle velocity in a wave motion is half the wave velocity.
  5. The moment of inertia of a semicircular ring about the centre is