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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the coefficient of linear expansion (α) represent?
💡 Hint: Think about how materials behave when heated.
Question 2
Easy
Write down the formula for linear expansion.
💡 Hint: Remember the variables involved in the change of length.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the formula for calculating linear expansion?
- ΔL = α L₀ ΔT
- ΔL = L₀ α ΔT
- ΔL = L₀ ΔT α
💡 Hint: Recall the variables in the linear expansion equation.
Question 2
The coefficient of linear expansion is dependent on the material being used.
- True
- False
💡 Hint: Think about how different substances respond to heating.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 6 m copper wire experiences a temperature change of 75°C. The coefficient of linear expansion for copper is 1.7 x 10⁻⁵ °C⁻¹. What is the final length of the copper wire?
💡 Hint: Use the linear expansion formula with the given values.
Question 2
A material in construction expands by 0.025 m when the temperature rises by 40°C. If its original length is 5 m, calculate the coefficient of linear expansion.
💡 Hint: Use the rearranged formula to solve for α.
Challenge and get performance evaluation