MathematicsA standard iron rod with a length of weighs . Is the length of a similar bar 13m?

A standard iron rod with a length of weighs . Is the length of a similar bar 13m?


  1. A
  2. B
  3. C
  4. D
     

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    Solution:

    Concept- The term "uniform" means that the density of the bars is the same across the bars. Linear density (weight per unit length of rod) length of uniform weight is length of unit or weight is = 13 m length of uniform weight is Hence, option 1 is correct.
     
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