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How many ergs are there in one joule ?

Answer»

Unit of energy is joule = kg*m²/s²Joule is a MKS unit and erg is a CGS unitMKS = CGS1 m = 100 cm1 s = 1 s1 kg = 1000 gmFrom above :1 joule = 1 kg*m²/s² = 1000 * 10000 / 1 cm*m²/s²= 10^7 gm*cm²/s² = 10^7 ergSo,Answer : 1 joule = 10^7 erg

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