WAEC Physics 2012 Objective — Question 19
Question 19 of 50 from the West African Examinations Council (WAEC) Physics 2012 Objective paper, with the correct answer and a full explanation.
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Which of the following equations shows how the linear expansivity (α) and the cubic expansivity (γ) of a material are related?
- A. A. γ = α
- B. B. γ = 1-α
- C. C. γ = 2α
- D. D. γ = 3αCorrect
Explanation
The relationship between volume expansivity (γ) and linear expansivity (α) is γ = 3α.
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