Practice Principle Of Working Of Barometers (1.1)

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11 questions

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6 sample questions

Question 1.
What units are used to measure atmospheric pressure in a barometer?
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Think about the liquid used in barometers.
Question 2.
What is gauge pressure?
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Consider what ‘gauge’ means in pressure context.
3Question 3.
What is the main function of a barometer?
- To measure temperature
- To measure atmospheric pressure
- To measure velocity
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Think about what barometers are used for in meteorology.
4Question 4.
True or False: Gauge pressure includes atmospheric pressure in its measurement.
- True
- False
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Remember the distinction between absolute pressure and gauge pressure.
Question 5.
A barometer shows a height of 765 mm of mercury. Calculate the atmospheric pressure in Pascals.
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Use the conversion factor for mmHg.
Question 6.
If a manometer shows a height difference of 30 cm between two fluid levels, determine the pressure difference in Pascals, assuming the fluid density is 1000 kg/m³.
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Consider pressure defined as weight per unit area.

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