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

T.3.6 Using Dimensional Analysis – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
The dimensions of force are:
M L T−1
M L T−2
M L2 T−2
M T−2
2.
Which equation is dimensionally inconsistent?
v = u + at2
v = u + at
s = ut + ½at2
v2 = u2 + 2as
3.
The dimensions of the spring constant k are:
M L T−2
M L−1
M T−2
L T−2
4.
Dimensional analysis can NOT determine:
whether an equation is consistent
the units of a constant
the exponents in a power law
numerical factors such as ½ or 2π
5.
In e−λt, if t is in seconds the dimensions of λ are:
T−1
T
dimensionless
L T−1
6.
Power has dimensions:
M L2 T−3
M L T−3
M L2 T−2
M L2 T−1
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Part of Tools and Inquiry — IB Physics skills — see every lesson and quiz in this unit.
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