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11th Class Physics Physical World / भौतिक जगत Question Bank 11th CBSE Physics Mathematical Tools, Units & Dimensions

  • question_answer
    A substance weighing 5.74 g occupies a volume of\[\text{1}.\text{2 c}{{\text{m}}^{\text{3}}}\]. Calculate its density with due regard to significant digits.                

    Answer:

                    \[\rho =\frac{M}{V}=\frac{5.74}{1.2}=4.78g/cc=4.8g/cc\], rounded off to have two significant digits.


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