Advertisements
Advertisements
प्रश्न
What will be the approximate temperature of water in the lake shown in the following diagram?
(i) At X, and
(ii) At Y?
Advertisements
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
APPEARS IN
संबंधित प्रश्न
Water is used as a cooling agent.
Give reason of Ice floats on water.
Explain the following:
How can you relate the formation of water droplets on the outer surface of a bottle taken out of refrigerator with formation of dew?
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.
What are hot spots? How can you extract energy from a hot spot, if it does not come in contact with underground water?
Observe the given graph and answer the following questions:
- Name the process represented in the figure.
- At what temperature does this process take place?
_______ apparatus is used to study the anomalous behaviour of water.
