Advertisements
Advertisements
प्रश्न
A longer rod expands ........... than a shorter rod on being heated to the same temperature.
Advertisements
उत्तर
A longer rod expands more than a shorter rod on being heated to the same temperature.
APPEARS IN
संबंधित प्रश्न
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
An iron washer is heated. State the effect on its external.
What is the velocity of thermal radiations?
Give reasons for the following:
Telephone wires sag in summer.
The diagram shows a sketch graph showing a change in volume of a given mass of ice at -5°C to water at 15°C.

(i) Why does the temperature along BC remain constant?
(ii) When is the volume of water minimum?
(iii) At what temperature does water have maximum density? Explain.
Thermal expansion is always a nuisance.
If you heat a circular disk with a hole, what change do you expect in the diameter of the hole? Remember that the effect of heating increases the separation between any pair of particles.
- Assertion: Gas is highly compressible than solid and liquid
- Reason: Interatomic or intermolecular distance in the gas is comparably high.
Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
