The height of the mercury column on a barometer at sea level is 76 cm and that at a particular height is 63.3 cm. Calculate the height from the sea level (For every 272.7 m of height from the sea level 2.54 centimetres of pressure decreases)

Explanation

To solve the problem, we will follow these steps:

### Step 1: Determine the change in pressure
We know the height of the mercury column at sea level is 76 cm and at a particular height is 63.3 cm. The change in pressure can be calculated as:
\[ \text{Change in Pressure} = \text{Pressure at Sea Level} - \text{Pressure at Height} \]
\[
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