संज्ञा • अर्ध जीवन काल | • अर्ध-जीवन |
half-life मीनिंग इन हिंदी
half-life उदाहरण वाक्य
उदाहरण वाक्य
- It has a half-life of about 41/2 billion years .
- The half-life of francium is 22 minutes .
- Evolutionists have recently learned that groups of species also have what might be called a half-life .
परिभाषा
संज्ञा.- the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)
पर्याय: half life