joule is the absolute unit of work in mks system and erg is absolute unit of work in CGS system then find the number of erg in 1 joule
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Answer:
S.I. unit of work is Joule (J) or Nm.
C.G.S unit of work is erg or dyne cm.
where 1N=10
5
dyne and 1m=100 cm
∴ 1 J=1 Nm=10⁵dyne×100 cm
⟹ 1 J=10⁷
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