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Convert the unit of work done from MKS system to CGS system (i.e.,joule ) |
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Answer» Solution :Dimensional formula of ENERGY is `M^(1)L^(2)T^(-2)` Let IJ=n ergs rArr n =J/ergs `:. N_(2)=n_(1)[M_(1)/M_(2)]^(1) [L_(1)/L_(2)]^(-2) [T_(1)/T_(2)]^(-2)` `rArrn=[(1kg)/(1g)] [(1m)/(1cm)]^(2)[(1s)/(1s)]^(-2) rArrn=[(1000g)/(1g]][(100cm)/(1cm)]^(2)[(1s)/(1s)]^(-2)` `rArrn=[1000]xx[100]^(2)xx[1]^(2) rArr n= 10^(3)xx10^(4)=10^(7)` `:.n=10^(7) :. 1 "JOULE" =10^(7)erg` |
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