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Q: Which unit is equal to unit of energy –
  • A. Power
  • B. Density
  • C. Work
  • D. Force
Correct Answer: Option C - The SI unit of energy and work is same i.e. Joule (J), named after English physicist James Prescott Joule (1818 - 1889). Joule discovered the relationship between heat and mechanical work, which led to the development of the laws of thermodynamics.
C. The SI unit of energy and work is same i.e. Joule (J), named after English physicist James Prescott Joule (1818 - 1889). Joule discovered the relationship between heat and mechanical work, which led to the development of the laws of thermodynamics.

Explanations:

The SI unit of energy and work is same i.e. Joule (J), named after English physicist James Prescott Joule (1818 - 1889). Joule discovered the relationship between heat and mechanical work, which led to the development of the laws of thermodynamics.