NEET Physics Nuclei Questions Solved


C14 has half life 5700 years. At the end of 11400 years, the actual amount left is  

(a) 0.5 of original amount
(b) 0.25 of original amount
(c) 0.125 of original amount
(d) 0.0625 of original amount

(b) N=N0×1211400/5700=N0122=0.25 N0

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