Practice Area Expansion - 9.2.4 | 9. Thermal Expansion of Solids, Liquids, and Gases | ICSE Class 11 Engineering Science
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is area expansion?

💡 Hint: Think about what happens when materials are heated.

Question 2

Easy

What does the coefficient of area expansion indicate?

💡 Hint: Remember the definition of the coefficient in relation to temperature.

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 primary consequence of thermal expansion in solids?

  • It shrinks
  • It stays the same
  • It expands

💡 Hint: Consider the effects of heating.

Question 2

True or False: Area expansion is characterized by the formula ΔA = 2αA0ΔT.

  • True
  • False

💡 Hint: Recall the formula we've discussed.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A circular metal disc with an original area of 5 m² is heated from 15°C to 90°C. The coefficient of area expansion is 1.1 × 10^−5 °C⁻¹. Calculate the change in area and the new area.

💡 Hint: Ensure to follow each step in the calculation carefully.

Question 2

Explain how area expansion can affect the surface of a roadway during hot weather, produce an example of structural failure.

💡 Hint: Think about how structures interact with temperature changes.

Challenge and get performance evaluation