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the half life period of a radioactive substance is
Question:
The half life period of a radioactive substance is 60 days The time taken for $\frac{7}{8}$ th of its original mass to disintegrate will be :
JEE Main - 2022
JEE Main
Updated On:
Mar 19, 2025
120 days
130 days
180 days
20 days
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The Correct Option is
C
Solution and Explanation
From the given options the correct answer is option (C): 180 days
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Concepts Used:
Atomic Models
There are five atomic models:
John Dalton’s atomic model - Dalton´s Billiard Ball (Solid Sphere) Model
J.J. Thomson’s model - Plum Pudding model
Ernest Rutherford’s model - Nuclear model
Niels Bohr’s model - Planetary model
Erwin Schrödinger’s model - Electron Cloud Model/Quantum Model