WAEC Physics 2022 Objective — Question 5
Question 5 of 50 from the West African Examinations Council (WAEC) Physics 2022 Objective paper, with the correct answer and a full explanation.
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The linear expansivity α, and cubic expansivity, γ of a material are related by the equation
- A. γ=αB
- B. γ=3αCorrect
- C. γ=2α
- D. γ=⅓α
Explanation
Cubic (volume) expansivity is three times the linear expansivity: γ=3α.
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