SSC General Science & Technology Sample Paper NCERT Sample Paper-3

  • question_answer
    The age of the earth cm be estimated by:

    A)  Uranium dating

    B)         atomic clocks

    C)  Carbon dating

    D)         biological clocks

    Correct Answer: A

    Solution :

    [a] Uranium-lead (U-Pb) dating is one of the oldest and most refined of the radiometric dating schemes. It can be used to date rocks that formed from about 1 million years to over 4.5 billion years ago with routine precisions in the \[0.1-1\] percent range.

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