One of the Largest Barometers Ever Built Was an Oil-Filled

question 61

Multiple Choice

One of the largest barometers ever built was an oil-filled barometer constructed in Leicester, England in 1991. The oil had a height of 12.2 m. Assuming a pressure of 1.013 × 10⁵ Pa, what was the density of the oil used in the barometer?

• A)798 kg/m³
• B)847 kg/m³
• C)981 kg/m³
• D)1150 kg/m³
• E)1210 kg/m³

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Definitions:

MC Curve

The Marginal Cost (MC) Curve is a graphical representation showing how the cost to produce one additional unit of a good changes as production volume increases.

Profit-Maximizing Firm

A company that aims to achieve the highest possible profit given its production costs and market conditions.

Non-Negative Economic Profit

A situation where a firm's total revenues are equal to or greater than its total costs, indicating no loss.

Perfectly Competitive Firm

A company that operates in a market where there are many buyers and sellers, no barriers to entry, and the product is homogeneous, leading to no control over price by individual firms.