Multiple choice general knowledge science & technology

How many Ergs are these in 1 Joule?

  1. 102

  2. 104

  3. 106

  4. 107
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

1 Joule = 10^7 ergs. The erg is the CGS unit of energy, while joule is the SI unit. The conversion is: 1 J = 1 kg × 1 m²/s² = 1000 g × 10000 cm²/s² = 10^7 g×cm²/s² = 10^7 ergs.

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