Convert 1 mm of Hg into pascal. Take density of Hg = 13.6 x 10 3 kg m -3 and g = 9.8 m s -2

Physics

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As we know,

Pressure = h ρ g

Given,

ρ = 13.6 10³ kg m^-3

g = 9.8 m s ^-2

h = 1 mm = 0.001 m (As 1 m = 1000 mm = 0.001 mm)

Substituting the values in the formula above we get,

$P = (0.001) \times (13.6 \times 10^{3}) \times (9.8) \\[0.5em] \Rightarrow P = 133.28 \text{ Pa} \\[0.5em]$

Hence, 1 mm of Hg = 133.28 Pa

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