A) \[{{10}^{7}}\]
B) \[\text{1}{{0}^{\text{5}}}\]
C) \[\text{1}{{0}^{\text{4}}}\]
D) \[\text{1}{{0}^{\text{9}}}\]
Correct Answer: A
Solution :
\[1\text{joule=1N}\times \text{1m}\] \[\text{=1}{{\text{0}}^{\text{5}}}\text{dyne }\!\!\times\!\!\text{ 100cm}\] \[\text{=1}{{\text{0}}^{\text{7}}}\text{ergs}\]
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