Half life
Classical Mechanics
Level
1
Suppose that a radioactive material has a half life of 2 days. If there is currently 1 kg of this material, then how much of it will be left after 6 days?
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1 solution
For every 2 days radioactive material weight reduces to 50% of original weight.
initially weight is 1000g, after 2 days it is reduced to 500g . on 4th day weight will be 250g and finally on 6th day only 125g will be left.