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Work and Energy - Class XI Physics

Question 1 of 18

The correct relation between joule and erg is:

  1. $1\ J = 10^{-5} erg$
  2. $1\ J = 10^{5} erg$
  3. $1\ J = 10^{-7} erg$
  4. $1\ J = 10^{7} erg$

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