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How many erg in one joule

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How many erg in one joule

    • Posted by Sachi Srivastava 6 years, 4 months ago

    CBSE > Class 11 > Physics
    • 2 answers

    #Aditi~ Angel???? 6 years, 4 months ago

    It's my pleasure & Activa?

    1Thank You

    #Aditi~ Angel???? 6 years, 4 months ago

    Joule is the unit for energy Dimension Formula for Joule is [M¹L²T⁻²] Let n1(joule)=n2(erg) n1(M₁¹L₁²T₁⁻²]=n2[M₂¹L₂²T₂⁻²] n2=n1(M₁¹L₁²T₁⁻²] /M₂¹L₂²T₂⁻²] =n1x(M1/M2)¹x(L1/L2)²x(T1/T2)⁻² =1x(1kg/gm)¹x(1m/1cm)²x(1s/1s)⁻² =1x(1000g/gm)x(100cm/1cm)²x(1s/1s)⁻² =10⁷  Therefore n1(joule)=n2(erg) ∴1 Joule=10⁷erg @diti @ngel?

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