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प्रश्न
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उत्तर
It can be seen from the graph that the volume of the water decrease from 0°C to 4°C and the volume Is minimum at 4°C. After 4°C, the volume increases with the increase In temperature.
Variation of the volume of water with temperature
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संबंधित प्रश्न
Describe an experiment to show that water has maximum density at 4°C. What important consequences follow this peculiar property of water? Discuss the importance of this phenomenon in nature.
Explain the following
Fishes survive in ponds even when the atmospheric temperature is well below 0°C.
Explain the following
A glass bottle completely filled with water and tightly closed at room temperature is likely to burst when kept in the freezer of a refrigerator.
Draw a graph between volume and temperature, when 5 cm3 of ice at -10°C is heated to form water at +10°C.
How do fishes survive in frozen lakes?
Explain, why are the exposed water pipes lagged with straw during severe winter?
A deep pond of water has its top layer frozen. What will be the likely temperature of water layer at the bottom of the pond?
What are land and sea breezes? Explain with the help of a labeled diagram.
Give reasons for the following:
Even when the water in the lakes is frozen, fish can survive.
What will be the approximate temperature of water in the lake shown in the following diagram?
(i) At X, and
(ii) At Y?
