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प्रश्न
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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उत्तर
The layer at the top level is ice so its temperature is therefore 0°C and temperature at every layer of water below ice increases by 1°C
(i) At X = 1°C since it is the first layer below the ice
(ii) At Y = 4°C since it is the fourth layer below ice
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संबंधित प्रश्न
What is the role of the anomalous behaviour of water in preserving aquatic life in regions of cold climate?
Draw a graph to show the variation in density of water with temperature in the range from 0°C to 10°C.
Explain, why does a glass bottle completely filled with water and tightly capped burst when placed in a freezer?
Explain, why are the exposed water pipes lagged with straw during severe winter?
Write scientific reason.
Fish can survive even in frozen ponds in cold regions.
Draw a neat and labelled diagram of Hope’s apparatus.
Match the columns:
| Column ‘A’ | Column ‘B’ |
| The density of water is maximum at | (a) 0°C |
| (b) 4°C | |
| (c) 100°C |
