MEDIUM
Earn 100

Explain the factors affecting the cubical expansion of a solid.

Important Questions on Heat

EASY
Science>Physics>Heat>Thermal Expansion
Which quantities remain fixed in the definition of volume expansion co-efficient of a gas? Name a non-metal, which is a good conductor of heat. 
MEDIUM
Science>Physics>Heat>Thermal Expansion
The linear expansion of a solid rod is independent of its:
EASY
Science>Physics>Heat>Thermal Expansion
Name a liquid which is a good conductor of heat.
EASY
Science>Physics>Heat>Thermal Expansion
Iron expands _____ than aluminium.
MEDIUM
Science>Physics>Heat>Thermal Expansion
After filling balloons with air, they expand. This shows:
HARD
Science>Physics>Heat>Thermal Expansion
Which of the following happens when we cool a liquid?
 
EASY
Science>Physics>Heat>Thermal Expansion
If you apply equal amount of heat to a solid, liquid and gas individually, which of the following will have more expansion? 
EASY
Science>Physics>Heat>Thermal Expansion
State one application of thermal expansion of liquids.
EASY
Science>Physics>Heat>Thermal Expansion
Liquids expand _____ (less/ slower/ more) than the solids.
EASY
Science>Physics>Heat>Thermal Expansion
Select the correct statement.
EASY
Science>Physics>Heat>Thermal Expansion
Liquids expand _____ than gases.
EASY
Science>Physics>Heat>Thermal Expansion

Aparna heated a bi-metallic strip made of two different types of metals for some time.

Question Image

After heating it, she observed that the metallic strip curved as shown in the figure. Which of the following would best explain the conclusion derived by Aparna about the experiment she had done?

EASY
Science>Physics>Heat>Thermal Expansion
A liquid which is a good conductor of heat is:
HARD
Science>Physics>Heat>Thermal Expansion

Soft drink bottles are not filled completely. Why?

MEDIUM
Science>Physics>Heat>Thermal Expansion
Describe an experiment to show that liquids expand on heating.
EASY
Science>Physics>Heat>Thermal Expansion
Water expands on _____. (cooling/heating)
HARD
Science>Physics>Heat>Thermal Expansion
The density of mercury at 0 °C is 13.596 g/cm3. Its density at 100 °C will be
EASY
Science>Physics>Heat>Thermal Expansion
Which of the statement is correct?
EASY
Science>Physics>Heat>Thermal Expansion

Gases expand _____(less/ more) than the liquids.

EASY
Science>Physics>Heat>Thermal Expansion
A longer rod expands _____ (more/less) than a shorter rod on being heated to the same temperature.