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A metre long narrow bore held horizontal...

A metre long narrow bore held horizontally (and close at one end) contains a `76` cm long mercury thread, which traps a `15` cm column of air. What happens if the tube is held vertically with the open end at the bottom?

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To solve the problem, we need to analyze the situation step by step. ### Step 1: Understand the initial conditions We have a horizontal tube that is 1 meter long, containing a 76 cm long mercury thread and trapping a 15 cm column of air. The remaining space in the tube is filled with mercury. ### Step 2: Determine the total height of the mercury column Since the tube is 1 meter long (100 cm) and contains a 76 cm long mercury thread, the length of the air column is given as 15 cm. Therefore, the total length of the mercury column can be calculated as: - Length of mercury = Total length of tube - Length of air column ...
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