Curriculum
Course: IB Physics SL
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Curriculum

IB Physics SL

Theme A — Space, Time and Motion

0/80 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/87 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/60 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/41 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/59 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/54 Dr Dabour Hub Science Diagram and Course Material
Quiz

B.1.14 Stefan-Boltzmann Law – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
If the temperature of a black body doubles the power emitted multiplies by
8
16
2
4
2.
The unit of σ is
W K−4
J K−1
W m−2 K−1
W m−2 K−4
3.
Doubling the radius of a star at constant temperature multiplies L by
4
8
16
2
4.
A 0.020 m2 black body at 600 K radiates about
14.7 W
14 700 W
147 W
1470 W
5.
A cool red giant can be very luminous because
its radius is large
it has high albedo
it is close
it is hot
6.
A star's luminosity is 16 times the Sun's, the radius the same. Its temperature relative to the Sun is
4
16
8
2
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Part of Theme B — The Particulate Nature of Matter — see every lesson and quiz in this unit.
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