K^(40),Ar^(40),Ca^(40) are...

`K^(40),Ar^(40),Ca^(40)` are

K^(40),Ar^(40),Ca^(40) are
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A sample of .(19)K^(40) disintegrates into two nuclei Ca & Ar with dec...
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.(19)^(39)K and .(20)^(40)Ca are
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K^(40),Ar^(40),Ca^(40) are
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A sample of .(19)^(40)K contains invariably .(18)^(40)Ar. This is beca...
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.(18)Ar^(40), .(20)Ca^(40) and .(19)K^(40) are
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निम्नलिखित में से समस्थानिक तथा समभारिक चुनिए - ""(18)^(40)Ar, ""(17...
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A radioactive isotope .^(40)K with a half-life of 1.26 xx10^(9) years,...
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निम्नलिखित को समझाएँ। ""18^40 Ar
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