Thermal Expansion
Physics ⇒ Heat and Thermodynamics
Thermal Expansion starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Thermal Expansion.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 11
A glass container is filled with mercury at 0°C. Both are heated to 100°C. If the coefficient of volume expansion of mercury is greater than that of glass, what will happen?
A metal ball passes through a ring at 20°C but gets stuck at 80°C. Explain why.
Describe how a bimetallic strip works in a thermostat.
Describe the difference between linear, area, and volume expansion.
A brass disc has a diameter of 10 cm at 25°C. If the coefficient of linear expansion for brass is 2 × 10⁻⁵ /°C, what will be its diameter at 75°C?
A cube of side 5 cm is heated from 0°C to 100°C. If the coefficient of linear expansion is 1 × 10⁻⁵ /°C, calculate the increase in volume.
A glass beaker is filled to the brim with water at 20°C. What will happen if the temperature is increased to 80°C? (1) Water will overflow (2) Beaker will crack (3) Water level will decrease (4) Nothing will happen
A glass container is filled with mercury at 0°C. Both are heated to 100°C. If the coefficient of volume expansion of mercury is greater than that of glass, what will happen?
A glass beaker is filled to the brim with water at 20°C. What will happen if the temperature is increased to 80°C? (1) Water will overflow (2) Beaker will crack (3) Water level will decrease (4) Nothing will happen
Thermal expansion in liquids is usually measured in terms of (1) Linear expansion (2) Area expansion (3) Volume expansion (4) No expansion
Which of the following best describes thermal expansion? (1) Increase in size of a substance due to decrease in temperature (2) Increase in size of a substance due to increase in temperature (3) Decrease in size of a substance due to increase in temperature (4) No change in size with temperature change
Which of the following is NOT a consequence of thermal expansion? (1) Cracking of glass when hot water is poured (2) Expansion joints in bridges (3) Melting of ice (4) Sagging of overhead power lines in summer
The coefficient of area expansion (β) is equal to ______ times the coefficient of linear expansion (α) for isotropic materials.
The coefficient of linear expansion is denoted by the symbol _______.
The coefficient of volume expansion (γ) is related to the coefficient of linear expansion (α) for isotropic solids by the relation: γ = _______.
The formula for volume expansion is ΔV = _______.
True or False: All solids, liquids, and gases expand when heated.
True or False: The coefficient of linear expansion is the same for all materials.
True or False: The expansion of a solid is always uniform in all directions.
True or False: The expansion of gases is much greater than that of solids and liquids for the same temperature change.
