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Grade: 12

                        

the weight based ratio of U238 and Pb226 in a sample of rock is 4:3. If the half life of U238 is 4.5*10^9 years then the age of rock is

3 years ago

Answers : (1)

Shailendra Kumar Sharma
188 Points
							Half-life means time it will take for the material to reduce to its half. But it will take infinite time for all the rock for degradation of all the rock
						
3 years ago
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