Advertisements
Advertisements
प्रश्न
At what temperature the pure water has (a) maximum density (b) minimum volume?
Advertisements
उत्तर
At 4°C, pure water has maximum density and minimum volume.
APPEARS IN
संबंधित प्रश्न
Kerosene contracts on heating.
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?
A cubical metal solid block is heated. How will its volume change?
Water is heated from 0°C to 4°C. Will it expand?
An iron washer is heated. State the effect on its external.
Give scientific reason.
The telephone wires which sag in summer become straight in winter.
Define the following term:
Coefficient of cubical expansion
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
