A rock is found to contain U-238 and Pb-206 in the ratio of 3 : 2. If `t""_(1//2)` of U-238 is `4.5xx10""^(-9)` years. Calculate the age rock?A. `3.71xx10""^(-9)years`B. `3.71xx10""^(9)years`C. `31.7xx10""^(9)years`D. `3.71xx10""^(9)days`

A rock is found to contain U-238 and Pb-206 in the ratio of 3 : 2. If

1.	A rock is found to contain U-238 and Pb-206 in the ratio of 3 : 2. If `t""_(1//2)` of U-238 is `4.5xx10""^(-9)` years. Calculate the age rock?A. `3.71xx10""^(-9)years`B. `3.71xx10""^(9)years`C. `31.7xx10""^(9)years`D. `3.71xx10""^(9)days`
Answer» Correct Answer - b `t=(2.303Xt""_(1//2))/(0.693)log.((1+pb""^(206))/(U""^(238)))`

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A rock is found to contain U-238 and Pb-206 in the ratio of 3 : 2. If `t""_(1//2)` of U-238 is `4.5xx10""^(-9)` years. Calculate the age rock?A. `3.71xx10""^(-9)years`B. `3.71xx10""^(9)years`C. `31.7xx10""^(9)years`D. `3.71xx10""^(9)days`

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