Curriculum
Course: Igcse Physics
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Curriculum

Igcse Physics

1. Motion, Forces and Energy

0/161 Dr Dabour Hub Science Diagram and Course Material

2. Thermal Physics

0/75 Dr Dabour Hub Science Diagram and Course Material

3. Waves

0/77 Dr Dabour Hub Science Diagram and Course Material

4. Electricity and Magnetism

0/119 Dr Dabour Hub Science Diagram and Course Material

5. Nuclear Physics

0/39 Dr Dabour Hub Science Diagram and Course Material

6. Space Physics

0/47 Dr Dabour Hub Science Diagram and Course Material
Quiz

2.2.1 Thermal Expansion – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Why does a solid expand when it is heated?
Its particles get larger
Its particles vibrate with greater amplitude and move slightly further apart
More particles join the solid
Its particles stop moving
2.
For the same temperature rise, which order shows increasing expansion?
solid, liquid, gas
solid, gas, liquid
gas, liquid, solid
liquid, gas, solid
3.
A bimetallic strip bends when heated because
one metal is magnetic
the metals lose mass
the two metals melt at different temperatures
the two metals expand by different amounts
4.
A rod of length 2.000 m expands to 2.003 m on heating. What is the increase in length in millimetres?
0.003 mm
0.3 mm
3 mm
30 mm
5.
A fixed mass of liquid is heated and its volume increases. What happens to its density?
It stays the same
It decreases
It becomes zero
It increases
6.
Why are overhead power cables hung with some slack?
So they do not snap when they contract in cold weather
Because they expand more in winter
To reduce resistance
To make them look neat
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Part of 2. Thermal Physics — see every lesson and quiz in this unit.
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