JAMB Physics 2013 Objective — Question 14
Question 14 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2013 Objective paper, with the correct answer and a full explanation.
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At what depth below the sea-level would one experience a change of pressure equal to one atmosphere? [Density of sea water=10³kgm⁻³, one atmosphere=0.01×10⁵Nm⁻², g=10ms⁻²]
- A. 0.1m
- B. 1.0m
- C. 10.0mCorrect
- D. 100.0m
Explanation
P=hρg. 1atm≈10⁵Nm⁻², so h = 10⁵/(10³×10) = 10m.
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