Neco 2025 Physics Question 16
Practice objective / multiple choice question 16 from the 2025 Neco Physics examination.
A U‑tube manometer contains mercury (density \(\rho_{\text{Hg}} = 13\,600\ \text{kg m}^{-3}\)) and water (density \(\rho_{\text{w}} = 1\,000\ \text{kg m}^{-3}\)). The left leg is open to the atmosphere (\(P_{\text{atm}} = 1.00\times10^{5}\ \text{Pa}\)). In the right leg a column of water 0.30 m high rests on the mercury, and the mercury levels differ by 0.15 m, the right‑hand level being higher. Determine the pressure of the sealed gas in the right leg.
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About This Question
This is Neco 2025 Physics Question 16. It is one of the objective questions from the 2025 Neco Physics examination.
Difficulty level: Medium .
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