Practice Example Of Linear Expansion (9.2.3) - Thermal Expansion of Solids, Liquids, and Gases

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9 questions

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6 sample questions

Question 1.
What does ΔL represent in the linear expansion formula?
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Think about what you measure when a solid expands.
Question 2.
What happens to a rod if the temperature decreases?
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Remember how materials behave when they cool down.
3Question 3.
What is the coefficient of linear expansion?
- A measure of pressure
- A measure of length change per temperature change
- A measure of area change
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It's measured in °C⁻¹.
4Question 4.
True or False: Materials expand when they are cooled.
- True
- False
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Think about how things feel when they get cold.
Question 5.
A steel beam 10 m long at 0°C expands when heated to 50°C. If the coefficient of linear expansion for steel is 1.1 × 10⁻⁵ °C⁻¹, what is the final length of the beam?
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Remember to separate the parts of the formula correctly.
Question 6.
How would you design a bridge considering thermal expansion? Explain your approach.
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Think about how materials behave in changing temperatures.

5 more questions in this section. Enroll free to practise them all.