WAEC Physics 2018 Objective — Question 1
Question 1 of 50 from the West African Examinations Council (WAEC) Physics 2018 Objective paper, with the correct answer and a full explanation.
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The S.I. Unit of sound energy is
- A. Hz
- B. cb
- C. db
- D. JCorrect
Explanation
Sound energy is a form of energy, so like all forms of energy it is measured in Joules (J).
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