JAMB Physics 2021 Objective — Question 31
Question 31 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2021 Objective paper, with the correct answer and a full explanation.
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Submarine rises from real depth 80 m to 60 m. Change in apparent depth (n=4/3):
- A. 45 m
- B. 60 m
- C. 15 mCorrect
- D. 80 m
Explanation
App₁=80/(4/3)=60 m; App₂=60/(4/3)=45 m; change=15 m.
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