International ASPhysicsEdexcelExam Questions1. Mechanics & MaterialsDensity, Upthrust & Viscous Drag

Density, Upthrust & Viscous Drag (Edexcel International AS Physics): Exam Questions

Exam code: XPH11

58 mins7 questions

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Density, Upthrust & Viscous Drag

1
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1 mark

A student measured the terminal velocity of different objects as they fell through a liquid. The student used the measurements and Stokes’ Law to calculate the viscosity of the liquid.

For which of the following conditions does Stokes’ Law apply?

  • spherical objects and laminar flow

  • spherical objects and low viscosity

  • cylindrical objects and laminar flow

  • cylindrical objects and low viscosity

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2
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1 mark

A cylinder of aluminium has a weight of 35.0 N and a volume of 1.32 × 10−3 m3 .

Which of the following calculations gives the density of aluminium in kg m−3 ?

  • 9.81 ×1.32 ×10−335.0

  • 1.32 ×10−335.0 × 9.81 

  • 35.0 9.81×1.32 ×10−3

  • 35.0 × 9.81 1.32 ×10−3

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