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

  • question_answer
    Which unit can be used for measurement of very small masses?

    Answer:

                    1 atomic mass unit                    \[\left( \text{a}.\text{m}.\text{u} \right)=\text{1}\text{.66}\times \text{1}{{0}^{-27}}\text{kg}\] .                


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