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Selina Solutions Class 9 Physics Solutions for Exercise 4A in Chapter 4 - Chapter 4 Pressure In Fluids And Atmospheric Pressure
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The pressure P1 at the top of a dam and P2 at a depth h from the top inside water (density ρ) are related as:
(a) P1 > P2
(b) P1 = P2
(c) P1 - P2 = h ρ g
(d) P2 – P1 = h ρ g
Answer:
(d) P2 – P1 = h ρ g
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