write a short note on Fahrenheit scale
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On the Fahrenheit scale, the melting point of water is 32°F and the boiling point is 212°F (at standard atmospheric pressure). This puts the boiling and freezing points of water 180 degrees apart. Therefore, a degree on the Fahrenheit scale is 1⁄180 of the interval between the freezing point and the boiling point.
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The Fahrenheit scale is now usually defined by two fixed points: the temperature at which pure water ice melts is defined as 32 °F and the boiling point of water is defined to be 212 °F, both at sea level and under standard atmospheric pressure (a 180 °F separation).
In the first decades of the 18th century in the Dutch Republic, Daniel Fahrenheit[1] made two revolutionary breakthroughs in the history of thermometry.[5] He invented the mercury-in-glass thermometer (first widely used, accurate, practical thermometer)[5][6] and Fahrenheit scale. Fahrenheit has been the first standardized temperature scale to be widely used, although its use is now limited. It is the official temperature scale in the United States (including its unincorporated territories), its freely associated states in the Western Pacific (Palau, the Federated States of Micronesia and the Marshall Islands), the Cayman Islands, and Liberia. Fahrenheit is used alongside the Celsius scale in Antigua and Barbuda and other countries which use the same meteorological service, such as Saint Kitts and Nevis, the Bahamas, and Belize. A handful of British Overseas Territories still use both scales, including the British Virgin Islands, Montserrat, Anguilla, and Bermuda.[7] In newspapers in the United Kingdom, degrees Fahrenheit figures are sometimes used in headlines for the sensationalism of heatwaves.[8] All other countries in the world now officially use the Celsius scale, the name given to the centigrade scale in 1948 in honor of Swedish astronomer Anders Celsius.
In the first decades of the 18th century in the Dutch Republic, Daniel Fahrenheit[1] made two revolutionary breakthroughs in the history of thermometry.[5] He invented the mercury-in-glass thermometer (first widely used, accurate, practical thermometer)[5][6] and Fahrenheit scale. Fahrenheit has been the first standardized temperature scale to be widely used, although its use is now limited. It is the official temperature scale in the United States (including its unincorporated territories), its freely associated states in the Western Pacific (Palau, the Federated States of Micronesia and the Marshall Islands), the Cayman Islands, and Liberia. Fahrenheit is used alongside the Celsius scale in Antigua and Barbuda and other countries which use the same meteorological service, such as Saint Kitts and Nevis, the Bahamas, and Belize. A handful of British Overseas Territories still use both scales, including the British Virgin Islands, Montserrat, Anguilla, and Bermuda.[7] In newspapers in the United Kingdom, degrees Fahrenheit figures are sometimes used in headlines for the sensationalism of heatwaves.[8] All other countries in the world now officially use the Celsius scale, the name given to the centigrade scale in 1948 in honor of Swedish astronomer Anders Celsius.
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