Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11
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The Density of Water at 4°C is Supposed to Be 1000 Kg M–3. is It Same at Sea Level and at High Altitude? - Physics

Answer in Brief

The density of water at 4°C is supposed to be 1000 kg m–3. Is it same at sea level and at high altitude?

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At sea level, the pressure is around 1 atmosphere and at high altitude, the density of air reduces.
Pressure of liquid,

P = hρg,

where ρ = density of fluid 

The above equation shows that pressure depends on density. Therefore at 4oC, the density of water will be less at high altitude, compared to the density at sea level. 

Concept: Temperature and Heat
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HC Verma Class 11, Class 12 Concepts of Physics Vol. 2
Chapter 1 Heat and Temperature
Short Answers | Q 9 | Page 11
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