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प्रश्न
Name the two types of instruments used for measuring pressure. State one point of difference between them.
टिप्पणी लिखिए
उत्तर
Two types of barometers are used for measuring pressure, e.g. Fortin’s Barometer and Aneroid Barometer. The main difference is that Fortin’s Barometer is filled with mercury, while the Aneroid Barometer is without any liquid. Fortin’s Barometer consists of a long narrow tube filled with mercury, while Aneroid is in the round shape like a watch.
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Pressure Belts
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