NEET Physics Nuclei Questions Solved


The half-life of a radioactive substance is 48 hours. How much time will it take to disintegrate to its 116th part

(a) 12 h             (b) 16 h
(c) 48 h             (d) 192 h

(d) NN0-12t/T116=12t/48

124=12t/48t=192 hour

Difficulty Level:

  • 16%
  • 6%
  • 22%
  • 58%
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