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प्रश्न
Explain, why does a glass bottle completely filled with water and tightly capped burst when placed in a freezer?
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उत्तर
A glass bottle completely filled with water and closed tightly is likely to burst in the freezer of refrigerator because water changes into ice and its volume increases. Since water when cooled from 4°C to 0°C expands. Thus, exerts large pressure and glass bottle bursts.
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संबंधित प्रश्न
On a winter day the temperature of the tap water is 20°C whereas the room temperature is 5°C. Water is stored in a tank of capacity 0.5 m3 for household use. If it were possible to use the heat liberated by the water to lift a 10 kg mass vertically, how high can it be lifted as the water comes to the room temperature? Take g = 10 m s−2.
At what temperature is the density of water is maximum? State its value.
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What will be the approximate temperature of water in the lake shown in the following diagram?
(i) At X, and
(ii) At Y?
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| (b) 4°C | |
| (c) 100°C |
