Preethi Asked a Question
May 3, 2021 12:37 ampts 30 pts
A sample of rock from moon contains equal number of atoms of uranjum and lead (tu2 for U = 4.5x 10 years). The age of the rock would be: 49 (a) 4.5 x 10 years (b 9x 10" years (c) 13.5 x 10 years (d) 2.25 x 10 years 50 50. A radioactive isotope having a half-life of 3 davs was received afh
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  • Achyut ranjan gogoi
    option A
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  • Bhagat singh thankyou
    option a is correct
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