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लोहे के नाभिक का द्रव्यमान `55.85u` एवं A = 56 है | इसका नाभिकीय घनत्व ज्ञात कीजिए |

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लोहे के नाभिक का द्रव्यमान `55.85u` एवं A = 56 है | इसका नाभिकीय घनत्व ज्ञात कीजिए |
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दिया है - `m=55.85u=9.27xx10^(-26)` कि.ग्रा.
नाभिकीय घनत्व `=(m)/(V)`
`rho=(9.27xx10^(-26)xxA)/((4)/(3)xxpi(1.1xx10^(-15))^(3)xxA)`
या `" "rho=2.29xx10^(17)" कि.ग्रा."//"मी"^(3).`
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