{"id":85589,"date":"2025-06-01T03:22:10","date_gmt":"2025-06-01T03:22:10","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=85589"},"modified":"2025-06-01T03:22:10","modified_gmt":"2025-06-01T03:22:10","slug":"the-pressure-exerted-by-a-760-mm-column-of-mercury-at-0-c-is-known-a","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-pressure-exerted-by-a-760-mm-column-of-mercury-at-0-c-is-known-a\/","title":{"rendered":"The pressure exerted by a 760 mm column of mercury at 0 \u00b0C is known a"},"content":{"rendered":"

The pressure exerted by a 760 mm column of mercury at 0 \u00b0C is known as<\/p>\n

[amp_mcq option1=”1 pascal” option2=”1 atmosphere” option3=”1 bar” option4=”1 poise” correct=”option2″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CDS-2 – 2016<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe pressure exerted by a 760 mm column of mercury at 0 \u00b0C under standard gravity is known as 1 atmosphere.
\n<\/section>\n
\n– Standard atmospheric pressure is defined as the pressure that supports a column of mercury exactly 760 millimeters (or 76 cm or 29.92 inches) high at 0 \u00b0C at sea level and standard gravitational acceleration.
\n– This pressure is internationally defined as 1 standard atmosphere (atm).
\n– 1 atm is equivalent to 101,325 Pascals (Pa), which is the SI unit of pressure.
\n– 1 bar is another unit of pressure, equal to 100,000 Pa, which is slightly less than 1 atm.
\n– Pascal is the SI unit of pressure (N\/m\u00b2).
\n– Poise is a unit of dynamic viscosity.
\n<\/section>\n
\nThe height of the mercury column is directly proportional to the atmospheric pressure, as demonstrated by Torricelli’s experiment. This measurement is used in barometers to indicate atmospheric pressure.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

The pressure exerted by a 760 mm column of mercury at 0 \u00b0C is known as [amp_mcq option1=”1 pascal” option2=”1 atmosphere” option3=”1 bar” option4=”1 poise” correct=”option2″] This question was previously asked in UPSC CDS-2 – 2016 Download PDFAttempt Online The pressure exerted by a 760 mm column of mercury at 0 \u00b0C under standard gravity … <\/p>\n

Detailed SolutionThe pressure exerted by a 760 mm column of mercury at 0 \u00b0C is known a<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1088],"tags":[1098,1140,1128],"class_list":["post-85589","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-2","tag-1098","tag-measurement-unit","tag-physics","no-featured-image-padding"],"yoast_head":"\nThe pressure exerted by a 760 mm column of mercury at 0 \u00b0C is known a<\/title>\n<meta name=\"description\" content=\"The pressure exerted by a 760 mm column of mercury at 0 \u00b0C under standard gravity is known as 1 atmosphere. - Standard atmospheric pressure is defined as the pressure that supports a column of mercury exactly 760 millimeters (or 76 cm or 29.92 inches) high at 0 \u00b0C at sea level and standard gravitational acceleration. - This pressure is internationally defined as 1 standard atmosphere (atm). - 1 atm is equivalent to 101,325 Pascals (Pa), which is the SI unit of pressure. - 1 bar is another unit of pressure, equal to 100,000 Pa, which is slightly less than 1 atm. - Pascal is the SI unit of pressure (N\/m\u00b2). - Poise is a unit of dynamic viscosity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/the-pressure-exerted-by-a-760-mm-column-of-mercury-at-0-c-is-known-a\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The pressure exerted by a 760 mm column of mercury at 0 \u00b0C is known a\" \/>\n<meta property=\"og:description\" content=\"The pressure exerted by a 760 mm column of mercury at 0 \u00b0C under standard gravity is known as 1 atmosphere. - Standard atmospheric pressure is defined as the pressure that supports a column of mercury exactly 760 millimeters (or 76 cm or 29.92 inches) high at 0 \u00b0C at sea level and standard gravitational acceleration. - This pressure is internationally defined as 1 standard atmosphere (atm). - 1 atm is equivalent to 101,325 Pascals (Pa), which is the SI unit of pressure. - 1 bar is another unit of pressure, equal to 100,000 Pa, which is slightly less than 1 atm. - Pascal is the SI unit of pressure (N\/m\u00b2). - Poise is a unit of dynamic viscosity.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-pressure-exerted-by-a-760-mm-column-of-mercury-at-0-c-is-known-a\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:22:10+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"The pressure exerted by a 760 mm column of mercury at 0 \u00b0C is known a","description":"The pressure exerted by a 760 mm column of mercury at 0 \u00b0C under standard gravity is known as 1 atmosphere. - 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