Give reasons for the following: Even when the water in the lakes is frozen, fish can survive. - Physics
What will be the approximate temperature of water in the lake shown in the following diagram?
(i) At X, and
(ii) At Y?
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
Concept: Graphs Showing Variation of Volume and Density of Water with Temperature in the 0 to 10°C Range
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