Advertisements
Advertisements
प्रश्न
Two identical rods of copper are heated to different temperatures — one by 5°C and the other by 10°C. Which rod will expand more?
Advertisements
उत्तर
Two rods with same length and material are heated to different temperature.
Lt-L0 ∝ t|
∴ Rod with higher temperature i. e. at 10°C will expand more.
APPEARS IN
संबंधित 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?
In the ball and ring experiment, if the ball after heating is left to cool on the ring for sometime, the ball again passes through the ring. Explain the reason.
A cubical metal solid block is heated. How will its volume change?
100 ml of each of the following liquid is heated from 10°C to 50°C. Which will expand more : (a) water (b) benzene (c) alcohol?
Define the following term:
Coefficient of superficial expansion
What difference do you think heating the solid will make in their molecules?
Explain thermal expansion with suitable examples.
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.
How solids are expanded on heating?
When the vibrations move from one molecule to another molecule heat will flow.
