To Measure Moderately Low Pressures Oil with a Density of 8.5

question 54

Multiple Choice

To measure moderately low pressures oil with a density of 8.5 * 10² kg/m³ is used in place of mercury in a barometer. A change in the oil column of 1.0 mm indicates a change in pressure of about:

• A) 1.2 *10^-7 Pa
• B) 1.2 *10^-5 Pa
• C) 0.85 Pa
• D) 1.2 Pa
• E) 8.3 Pa

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