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Served due to (a) gas multiplication(b) quenching process(d) difference in mobilities of positive and negative ions10. Half life period of any radioactive element is(a) depending on temperature11. "C dating is used(a) for irradiation of seeds(c) Geiger threshold(e) definite(b) depending on pressure(d) variable(c) as a fertilizer(b) to control predatory insects(e) to know the age of dead or12. C'H]/['H] is used to know age of(a) water sample,(b) minerals, (c) rock samit Radio isotopes have been made for understanding of(a) hypertension(b) hyperthyroidisis(e) diabetes mellitus(d) hypertriglyceridemia14. The end product of U is(b) "c.(c) 206Pb(d) 'H932 Th.normer nucleon indicates​

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