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- IIT JAM
- Physics (PH)
Five grams of radium is reduced by 10.5 mg in 5 years by a-decay. the half-life ot radium is (a) 10.5 years (b) 150.4 years (c) 1000.5 years (d) 501.5 years
Five grams of radium is reduced by 10.5 mg in 5 years by a-decay. The half-life ot radium is (A) 10.5 years (B) 150.4 years (C) 1000.5 years (D) 501.5 years
2 Answer(s)
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Somnath![best-answer]()
Answer is not matching with the given options. I thik there is some mistake in the options. Solution procedure is given in the attachment. Half life of radium is nearly about 1600 years. But none of the options is closer to it. Don’t worry solve this type of problem as given in the attached file.