A radioactive material is undergoing sim...

A radioactive material is undergoing simultaneous disintegration into two different products with half lives 1400 years and 700 years respectively.Find the time taken by the sample to decay to one third of its initial value .

`(ln 2/ln 3 *1400/3)` years

`ln 3/ln 2 (1400)` years

`ln 3/ln 2 1400/3`years

`ln 3/ln 2 (700)` years

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B

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