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प्रश्न
During day time, air blows from ______ to ______.
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उत्तर
During day time, air blows from sea to land.
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संबंधित प्रश्न
Write true or false for a given statement.
Heat flows from a body at a high temperature to a body at a low temperature when they are kept in contact.
Write true or false for a given statement.
Equal volumes of different liquids expand by different amounts when they are heated to the same rise in temperature.
Name two substances which expand on heating.
Why do telephone wires sag in summer ?
State which expands more, when heated to the same temperature : solid, liquid or gas ?
What are the good and bad conductors of heat ? Give two examples of each.
Name a liquid which is a good conductor of heat.
Why do we prefer to wear white or light coloured clothes in summer and black or dark coloured clothes in winter ?
When we heat them the force of attraction between the molecules decreases and the ice cubes become ______.
Match the following
| 1. | Solid to liquid | a. | Condensation |
| 2. | Liquid to gas | b. | Deposition |
| 3. | Gas to solid | c. | Melting |
| 4. | Gas to liquid | d. | Vaporization |
