Adaptive Practice
Thermal Properties
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Easy
Which of the following materials is a good conductor of heat?
Easy
What happens to the particles of a substance when it is heated?
Medium
Which of the following shows thermal expansion?
Medium
Why are thermos flasks made with a vacuum between two walls?
Medium
Which of the following has the highest specific heat capacity?
Medium
What is the main reason for using double-glazed windows in cold regions?
Easy
Which of the following is NOT a method of heat transfer?
Medium
Why do metals feel colder to touch than wood at room temperature?
Hard
The coefficient of linear expansion of a metal is 1.2 × 10⁻⁵ /°C. What is the fractional increase in length if the temperature is increased by 50°C?
Medium
In which of the following scenarios does convection NOT occur?