Advertisements
Advertisements
प्रश्न
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?
Advertisements
उत्तर
Lt – L0 ∝ L0
∴ The rod having greater length will expand more when rods are heated to the same temperature.
∴ Rod with 10 m length will expand more.
APPEARS IN
संबंधित प्रश्न
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
Define the following term:
Coefficient of superficial expansion
Give reasons for the following:
Telephone wires sag in summer.
Give reasons for the following:
In cold countries, water pipes burst in winter.
Complete the following sentence:
When ice melts its volume ______ and density _______.
Solids ______ on heating and ______ on cooling.
What difference do you think heating the solid will make in their molecules?
Explain thermal expansion with suitable examples.
What type of glassware is used in laboratories? Why?
