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प्रश्न
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उत्तर
The cold air that blows from the land towards the sea during the night, is called a land breeze The cold air that blows from the sea towards the land during the day is known as the sea breeze. These breezes are examples of a natural convection current.
Natural convection currents
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संबंधित प्रश्न
The amount of water vapour in air is determined in terms of its ______.
Observe the following graph. Considering the change in volume of water as its temperature is raised from 0°C, discuss the difference in the behaviour of water and other substances. What is this behaviour of water called?
1 kg of ice at 0°C is mixed with 1 kg of steam at 100°C. What will be the composition of the system when thermal equilibrium is reached? Latent heat of fusion of ice = 3.36 × 103 J kg−1 and latent heat of vaporization of water = 2.26 × 106 J kg−1.
Draw a graph to show the variation in density of water with temperature in the range from 0°C to 10°C.
In cold regions, in winter the pipes for water supply break.
Observe the following diagram and write the answers to the questions given below.
- Which process does the graph represent?
- What is the range of temperature responsible for the behaviour?
Name the following diagram appropriately.
Write a short note.
Anomalous behaviour of water
