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

E.5.5 The Hertzsprung–Russell (HR) Diagram – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
On an HR diagram, white dwarfs are found...
lower left
upper right
upper left
lower right
2.
If a star's temperature doubles with the same radius, its luminosity increases by a factor of...
2
4
16
8
3.
Which class is hottest?
M
O
K
G
4.
A star in the upper right of an HR diagram is...
small and hot
small and cool
large and hot
large and cool
5.
The mass–luminosity relation L ∝ M3.5 applies to...
all stars
white dwarfs
main-sequence stars
red giants
6.
Compared with the Sun, a main-sequence star of 4 solar masses has a luminosity about...
4 times
128 times
16 times
1024 times
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
Part of Theme E — Nuclear and Quantum Physics — see every lesson and quiz in this unit.
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