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The neutron/proton ratio in an isotope can be decreased by the emission of

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a

gamma rays

b

a neutron

c

a proton

d

a positron

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detailed solution

Correct option is B

.The ratio of neutrons to protons (n/p) is a successful way in predicting nuclear stability. This ratio is close to 1 for atoms of elements with low atomic numbers (of less than about 20 protons). The n/p ratio steadily increases as the atomic number increases past element 20 (calcium) to about element 84 (polonium).

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ctaimg

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The half-life of $_{6} C^{14}$ if its disintegration consant is 2.31 $\times$ 10^-4 year ^-1 is y $\times$ 10². Value of y is------

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