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A sample of rock moon contains equal num...

A sample of rock moon contains equal numbers of atoms of uranium and lead `t_(1//2)` for `U` is `4.5 xx 10^(9)` years. The age of rock would be
a. `4.5 xx 10^(9)` years b. `9.0 xx 10^(9)` years
c. `13.5 xx 10^(9)` years d. `2.25 xx 10^(9)` years

A

`9.0 times 10^9` years

B

`4.5 times 10^9` years

C

`13.5 times 10^9` years

D

`2.25 times 10^9` years

Text Solution

Verified by Experts

The correct Answer is:
B
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