Post-UTME Physics 2016 Objective — Question 8
Question 8 of 20 from the Post-UTME Screening (Post-UTME) Physics 2016 Objective paper, with the correct answer and a full explanation.
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A solid weigh 0.21N in air and 0.19N when fully immersed in water. Calculate its relative density.
- A. 10.50Correct
- B. 1.11
- C. 0.10
- D. 0.91
Explanation
Relative density = weight in air/(weight in air - weight in water) = 0.21/(0.21-0.19) = 0.21/0.02 = 10.50.
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