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

One joule equals 10^7 ergs. The erg is the CGS unit of energy, while the joule is the SI unit. Since 1 joule = 1 newton × 1 meter = 10^5 dynes × 100 cm = 10^7 dyne·cm = 10^7 ergs. The option '107' represents 10^7.

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