JAMB Physics 2023 Objective — Question 31
Question 31 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2023 Objective paper, with the correct answer and a full explanation.
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Iron weighs 125 N in air, 100 N in liquid of density 1000 kgm⁻³. Volume of iron:
- A. 2.5×10⁻³ m³Correct
- B. 5×10⁻³ m³
- C. 2×10⁻³ m³
- D. 4.4×10⁻³ m³
Explanation
U=25 N; V=U/(ρg)=25/10000=2.5×10⁻³ m³.
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