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The half life of radium is 1600 years. The fractionof a sample of radium that would remain after6400 years     [1991]
  • a)
    1/4
  • b)
    1/2
  • c)
    1/8
  • d)
    1/16
Correct answer is option 'D'. Can you explain this answer?
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The half life of radium is 1600 years. The fractionof a sample of radi...
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The half life of radium is 1600 years. The fractionof a sample of radi...
Given half life is 1600 years..
And after 6400 years mass is =?
1600 to become 6400 years will take 4 half lifes
1st half life
1..1600..->1/2
2nd half life
1/2..1600..->1/4
3rd half life
1/4..1600..->1/8
4th half life
1/8..1600..->1/16
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The half life of radium is 1600 years. The fractionof a sample of radium that would remain after6400 years [1991]a)1/4b)1/2c)1/8d)1/16Correct answer is option 'D'. Can you explain this answer?
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