Post-UTME Physics 2015 Objective — Question 15
Question 15 of 20 from the Post-UTME Screening (Post-UTME) Physics 2015 Objective paper, with the correct answer and a full explanation.
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The dimensions of a rectangular glass block are 4cm by 10cm by 16cm. Calculate the ratio of the maximum pressure to the minimum pressure which the block can exert when placed on a horizontal surface.
- A. 4:1Correct
- B. 2:1
- C. 1:1
- D. 4:3
Explanation
Max pressure occurs with the smallest face down (4x10=40cm2); min pressure with the largest face down (10x16=160cm2). Ratio = 160/40 = 4:1.
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