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A U-tube contains water and methylated spirit seperated by mercury. The mercury columns in the two arms are in level with 18 cm of water in one arm and 20 cm spirit in the other arm. The density of spirit is (Density of water=1 g-cm-3)
  • a)
    0.3 g-cm-3
  • b)
    0.6 g-cm-3
  • c)
    0.9 g-cm-3
  • d)
    1.2 g-cm-3
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A U-tube contains water and methylated spirit seperated by mercury. Th...

For water column in one arm of U - tube
h1 = 18 cm, ρ1 = 1 gm cm-3
For spint column in other arm of U - tube
h2 18 cm, ρ2 = ?
If P1 and P2 be the pressures exerted by water column and spirit column respectively
Then P1 = h1 ρ1 g
and P2 = h2 ρ2 g
The mercury columns in the two arms of U-tube are at the same level, thus in equilibrium
P1 = P2
or h1 ρ1 g = h2 ρ2 g
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A U-tube contains water and methylated spirit seperated by mercury. The mercury columns in the two arms are in level with 18 cm of water in one arm and 20 cm spirit in the other arm. The density of spirit is (Density of water=1 g-cm-3)a)0.3 g-cm-3b)0.6 g-cm-3c)0.9 g-cm-3d)1.2 g-cm-3Correct answer is option 'C'. Can you explain this answer?
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A U-tube contains water and methylated spirit seperated by mercury. The mercury columns in the two arms are in level with 18 cm of water in one arm and 20 cm spirit in the other arm. The density of spirit is (Density of water=1 g-cm-3)a)0.3 g-cm-3b)0.6 g-cm-3c)0.9 g-cm-3d)1.2 g-cm-3Correct answer is option 'C'. 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 A U-tube contains water and methylated spirit seperated by mercury. The mercury columns in the two arms are in level with 18 cm of water in one arm and 20 cm spirit in the other arm. The density of spirit is (Density of water=1 g-cm-3)a)0.3 g-cm-3b)0.6 g-cm-3c)0.9 g-cm-3d)1.2 g-cm-3Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A U-tube contains water and methylated spirit seperated by mercury. The mercury columns in the two arms are in level with 18 cm of water in one arm and 20 cm spirit in the other arm. The density of spirit is (Density of water=1 g-cm-3)a)0.3 g-cm-3b)0.6 g-cm-3c)0.9 g-cm-3d)1.2 g-cm-3Correct answer is option 'C'. Can you explain this answer?.
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