Question Detail
Question
Which of the following is a derived unit with a special name in the SI system?
Correct Answer
Option D is the correct answer.
Detailed Explanation
Kilogram, second, and ampere are all SI base units. The joule (J) is the SI derived unit for energy, work, or quantity of heat. It has the special name 'joule' and is equivalent to a newton-meter (N m) or kg m² s⁻².
Hint
Base units are fundamental. Derived units are combinations of base units, and some have been given special names like Newton, Pascal, and Joule.