Advertisements
Advertisements
प्रश्न
A given mass of water is cooled from 10°C to 0°C. State the volume changes you will observe. Represent these changes on a temperature-volume graph.
Advertisements
उत्तर
When water is heated from 0°C to 4°C, its volume first falls; when it is heated further from 4°C to 10°C, its volume grows. Thus, at 4°C, the water volume is at its lowest.
The following temperature-volume graph indicates how the volume of water changes from 0°C to 10°C:
APPEARS IN
संबंधित प्रश्न
Who is telling the truth?
Heat flows from an object at higher temperature to an object at lower temperature.
Explain the construction of a calorimeter. Draw the necessary figure.
Draw a diagram showing the temperature of various layers of water in an ice covered pond.
Define coefficient of linear expansion. Write its SI unit.
One liter of mercury at 100C is heated to 300C. Find the increase in the volume of mercury. The coefficient of cubical expansion of mercury is 1.8 X 10-4 0C-1.
Explain the following:
It is cool in the shade, when it is hot outside.
Higher Order Thinking question
Go to a veterinary doctor (a doctor who treats animals). Discuss and find out the normal temperature of domestic animals and birds.
Assertion: When water is heated up to 100°C, there is no raise in temperature until all water gets converted into water vapour.
Reason: Boiling point of water is 10°C.
Heat energy flows from a body at a low temperature to a body at a higher temperature.
What is the minimum possible temperature? Is there also a maximum possible temperature?
