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    Find mass (in gm) of a gold coin of radius 2 cm and thickness 0.05 cm. (Density of gold 19.3 gm/cm³)
    Question

    Find mass (in gm) of a gold coin of radius 2 cm and thickness 0.05 cm. (Density of gold 19.3 gm/cm³)

    A.

    12.1

    B.

    0.06

    C.

    6.1

    D.

    0.03

    Correct option is A


    Given that,

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