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1erg equal how much joule

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1erg equal how much joule

Posted by Alok Kumar 7 years, 3 months ago

CBSE > Class 11 > Chemistry

6 answers

Isha Bhardwaj 7 years, 3 months ago

Priya is right.....

Priya Dharshini ☺☺ 7 years, 3 months ago

Zalak how u got that ans any derivation is there pls let me know

Priya Dharshini ☺☺ 7 years, 3 months ago

Unit of energy is joule = kg*m²/s² Joule is a MKS unit and erg is a CGS unit MKS = CGS 1 m = 100 cm 1 s = 1 s 1 kg = 1000 gm From above : 1 joule = 1 kg*m²/s² = 1000 * 10000 / 1 cm*m²/s²= 10^7 gm*cm²/s² = 10^7 erg So, Answer : 1 joule = 10^7 erg i got this ans by derivation

Zalak Patel????️ 7 years, 3 months ago

That is wrong. Right answer is 1*10-5(-5 is in power of 10 means 10 to the power of -5)

Zalak Patel????️ 7 years, 3 months ago

7 joule

Priya Dharshini ☺☺ 7 years, 3 months ago

1 × 10^-7 joule i think so this is ans. Verify it once

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