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general knowledge Online Quiz - 2553
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How many Ergs are these in 1 Joule?
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A
107
💡 Explanation:
One joule equals 10^7 ergs because joule uses kg-m-s units while erg uses g-cm-s units. Converting kg to g (1000) and m to cm (100): 1 J = 1 kg × 1 m²/s² = 1000 g × 10000 cm²/s² = 10^7 erg.