Questions
A radio-isotope has half life of 5years. The fraction of the atoms of this material that would decay in 15 years will be
detailed solution
Correct option is C
NN0=(12)n=(12)15/5=18 Fraction decayed =N0−N=N0−N08=78N0Talk to our academic expert!
Similar Questions
The half life of a neutron is 800 sec. 108 neutrons at a certain instant are projected from one space station towards another space station, situated 3200 km away, with a velocity 2000 m/s. Their velocity remains constant during the journey. How many neutrons reach the other station?
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