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​An open glass tube is immersed in mercury in such a way that a length of 8 cm extends above the mercury level. The open end of the tube is then closed and sealed and the tube is raised vertically up by additional 46 cm. What will be length of the air column above mercury in the tube now?
(Atmospheric pressure = 76 cm of Hg)
  • a)
    16 cm
  • b)
    22 cm
  • c)
    38 cm
  • d)
    6 cm
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
An open glass tube is immersed in mercury in such a way that a length ...

P + x = P0
P = (76 – x)
8 × A × 76 = (76 – x) × A × (54 – x)
x = 38
Length of air column = 54 – 38 = 16 cm.
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An open glass tube is immersed in mercury in such a way that a length of 8 cm extends above the mercury level. The open end of the tube is then closed and sealed and the tube is raised vertically up by additional 46 cm. What will be length of the air column above mercury in the tube now?(Atmospheric pressure = 76 cm of Hg)a)16 cmb)22 cmc)38 cmd)6 cmCorrect answer is option 'A'. Can you explain this answer?
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An open glass tube is immersed in mercury in such a way that a length of 8 cm extends above the mercury level. The open end of the tube is then closed and sealed and the tube is raised vertically up by additional 46 cm. What will be length of the air column above mercury in the tube now?(Atmospheric pressure = 76 cm of Hg)a)16 cmb)22 cmc)38 cmd)6 cmCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about An open glass tube is immersed in mercury in such a way that a length of 8 cm extends above the mercury level. The open end of the tube is then closed and sealed and the tube is raised vertically up by additional 46 cm. What will be length of the air column above mercury in the tube now?(Atmospheric pressure = 76 cm of Hg)a)16 cmb)22 cmc)38 cmd)6 cmCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An open glass tube is immersed in mercury in such a way that a length of 8 cm extends above the mercury level. The open end of the tube is then closed and sealed and the tube is raised vertically up by additional 46 cm. What will be length of the air column above mercury in the tube now?(Atmospheric pressure = 76 cm of Hg)a)16 cmb)22 cmc)38 cmd)6 cmCorrect answer is option 'A'. Can you explain this answer?.
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