Physics
River Ganga originates from the melting of snow of Gangotri glacier. Why does the snow of the glacier not melt at once ? Explain.
Calorimetry
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Answer
The snow of the Gangotri Glacier does not melt all at once because it requires a large amount of heat to change its state from solid to liquid.
This heat is known as latent heat of fusion, which is absorbed without any rise in temperature.
Therefore, even when the snow is at 0°C, it does not melt immediately. Since a large amount of heat is needed for this state change, the melting takes place slowly and gradually, not all at once. This leads to a continuous and steady flow of water forming the river.
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