Advertisements
Advertisements
प्रश्न
What are the different types of thermal expansions?
Advertisements
उत्तर
There are three types of thermal expansion
(a). Linear expansion
(b). Superficial expansion
(c). Cubical expansion
APPEARS IN
संबंधित प्रश्न
Kerosene contracts on heating.
A longer rod expands ........... than a shorter rod on being heated to the same temperature.
Two iron rods – one 10 m long and the other 5 m long, are heated to the same rise in temperature. Which will expand more?
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
Describe an experiment to showthat air expands on heating.
An iron washer is heated State the effect on its density.
At what temperature the pure water has (a) maximum density (b) minimum volume?
Give reasons for the following:
In cold countries, water pipes burst in winter.
Complete the following sentence:
When ice melts its volume ______ and density _______.
What type of glassware is used in laboratories? Why?
