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प्रश्न
Write true or false for a given statement.
Telephone wires are kept tight between the two poles in summer.
विकल्प
True
False
MCQ
सत्य या असत्य
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उत्तर
False.
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संबंधित प्रश्न
Write true or false for a given statement.
Kerosene contracts on heating.
Fill in the blank
The temperature of boiling water is _______
Select the correct alternative
The temperature of pure melting ice is
What do you understand by thermal expansion of a substance ?
Name two substances which expand on heating.
Explain why the water pipes are covered with cotton during very cold weather.
The bottom of a cooking utensil is painted black. Give the reason.
During day time, air blows from ______ to ______.
In ice cubes, the force of attraction between the water molecules is ______.
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 |
