Curriculum
Course: IB Physics HL
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Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

A.2.10 Buoyancy – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Upthrust on a body in a fluid is equal to
The weight of the body
The weight of the fluid displaced
The volume of the body
The density of the fluid
2.
A ball of volume 5.0 × 10⁻⁴ m³ is fully submerged in water. The upthrust is closest to
0.49 N
49 N
4.9 N
0.05 N
3.
An object floats in water with 25% of its volume above the surface. Its density is
250 kg m⁻³
500 kg m⁻³
750 kg m⁻³
1250 kg m⁻³
4.
A ship moves from sea water into a river (fresh water). It
Floats lower
Floats higher
Floats at the same level
Rises out of the water
5.
An object weighs 8.0 N in air and 5.0 N in water. The upthrust is
5.0 N
8.0 N
13 N
3.0 N
6.
A floating body is in equilibrium. The upthrust on it equals its
Volume
Weight
Density
Mass in kg
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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