A Glass Tube Has One End in a Dish of Mercury

question 35

Multiple Choice

A glass tube has one end in a dish of mercury and the other end closed by a stopcock.The distance from the surface of the mercury to the bottom of the stopcock is 800 mm,as indicated by the meter stick shown in the drawing below.The apparatus is at 20°C,and the mercury level in the tube is the same as that in the dish.
-Which drawing best shows the approximate level of the mercury in the tube when a vacuum pump is connected to the top of the tube,the stopcock opened,the tube is evacuated,the stopcock is closed,and the pump is removed?

• A)drawing (1)
• B)drawing (2)
• C)drawing (3)
• D)drawing (4)

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Definitions:

Fixed Purchase Contract

A contractual agreement to buy or sell goods and services at predetermined prices and terms.

Journal Entry

A record in the books of accounts that represents each transaction with debits and credits recorded to maintain the accounting equation.

Lower of Cost or Market

An accounting principle requiring inventory to be recorded at either its historical cost or its current market value, whichever is lower.

Inventory Valuation

The method used by businesses to assess their inventory's worth at the end of an accounting period, affecting financial statements and tax obligations.