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AP EAMCET202521 May 2025Morning ShiftPhysicsNuclear PhysicsActual

An element X of a half-life of 1.4 10^9 years decays to form another stable element Y. A sample is taken from a rock that contains both X and Y in the ratio 1: 7 . If at the time of formation of the rock, Y was not present in the sample, then the age of the rock in years is

Options

  1. A4.2 10^9
  2. B1.4 10^9
  3. C0.35 10^9
  4. D2.8 10^9

Correct answer

A. 4.2 10^9

Step-by-step solution

No Solution.

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