Advertisements
Advertisements
प्रश्न
A deep pond of water has its top layer frozen. What will be the likely temperature of water layer just in contact with ice?
Advertisements
उत्तर
The temperature of water layer just in contact with ice is 0°C.
APPEARS IN
संबंधित प्रश्न
Give reason of Water pipes burst in severe winter.
Give reason of Ice floats on water.
Calculate the time required to heat 20 kg of water from 10°C to 35°C using an immersion heater rated 1000 W. Assume that 80% of the power input is used to heat the water. Specific heat capacity of water = 42000 J kg−1 K−1.
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.
A calorimeter contains 50 g of water at 50°C. The temperature falls to 45°C in 10 minutes. When the calorimeter contains 100 g of water at 50°C, it takes 18 minutes for the temperature to become 45°C. Find the water equivalent of the calorimeter.
Draw a graph between volume and temperature, when 5 cm3 of ice at -10°C is heated to form water at +10°C.
Explain, why does a glass bottle completely filled with water and tightly capped burst when placed in a freezer?
