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
Equal volumes of different liquids expand by a different amount when they are heated to the same rise in temperature.
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?
Give scientific reason.
The telephone wires which sag in summer become straight in winter.
Define the following term:
Coefficient of cubical expansion
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.
What is thermal expansion?
Explain thermal expansion with suitable examples.
The expansion in volume is called linear expansion.
What type of glassware is used in laboratories? Why?
