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The area of cross-section of the wider tube shown in figure is 800 cm2. If a mass of 12 kg is placed on the massless piston, the difference in heights h in the level of water in the two tubes is :
                         
  • a)
    10 cm
  • b)
    6 cm
  • c)
    15 cm
  • d)
    2 cm
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The area of cross-section of the wider tube shown in figure is 800 cm2...
h × ρ × 10 = 120/800 × 10-4 
h × ρ = 12/8 × 10
h × ρ = 150m
h × 1000 = 150m
h = 15cm
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Most Upvoted Answer
The area of cross-section of the wider tube shown in figure is 800 cm2...
h × ρ × 10 = 120/800 × 10-4 
h × ρ = 12/8 × 10
h × ρ = 150m
h × 1000 = 150m
h = 15cm
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Community Answer
The area of cross-section of the wider tube shown in figure is 800 cm2...
H×rho×10=120/800×10^-4
h×rho=12/8×10^2
h×rho=150m
h×1000=150m
h=15cm
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