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Physics — Second Secondary

Physics — Second Secondary

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Physics — Second Secondary 2026/2027

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Chapter 5: Properties of Hydrostatics — Picture questions (exam style)

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  • Questions count: 2
  • Passing grade: 60%
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1.
A U-tube holds two immiscible liquids of densities 13600 and 800 kg m−3; liquid 2 stands 17 cm above the interface (figure). Which option is correct?
A U-tube holds two immiscible liquids of densities 13600 and 800 kg m⁻³; liquid 2 stands 17 cm above the interface (figure). Which option is correct?
height of liquid 1 = 17 cm, level difference = 18 cm
height of liquid 1 = 17 cm, level difference = 32 cm
height of liquid 1 = 1 cm, level difference = 17 cm
height of liquid 1 = 1 cm, level difference = 16 cm
2.
A U-tube holds two immiscible liquids of densities 900 and 1000 kg m−3; liquid 2 stands 8 cm above the interface (figure). Which option is correct?
A U-tube holds two immiscible liquids of densities 900 and 1000 kg m⁻³; liquid 2 stands 8 cm above the interface (figure). Which option is correct?
height of liquid 1 = 8.89 cm, level difference = 0.889 cm
height of liquid 1 = 8.89 cm, level difference = 8 cm
height of liquid 1 = 17.8 cm, level difference = 1.78 cm
height of liquid 1 = 17.8 cm, level difference = 16.9 cm
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