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प्रश्न
What are land and sea breezes? Explain with the help of a labeled diagram.
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उत्तर
The cold air that blows from the land towards the sea during 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.
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संबंधित प्रश्न
Water is used as a cooling agent.
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.
A deep pond of water has its top layer frozen. What will be the likely temperature of water layer just in contact with ice?
The following diagrams illustrate three situations involving thermometers which are labeled A, Band C. In each situation the thermometers indicate different readings.
(i) What do you expect the approximate reading of the thermometer B and C would be? Give a reason for your answer.
(ii) How would the readings of A and B help you in calibrating a thermometer?
_______ apparatus is used to study the anomalous behaviour of water.
