The top of a lake is frozen. Air just above the ice layer is at `-15^(@)C`. What is the temperature of the water layer just below ice? Comment on the maximum possible temperature at the bottom of the lake.

Ice is formed on the top surface of a lake. Temperature of air above ice is -15^(@)C , (i) What is the temperature of the water layer just below ice? (ii) Find the maximum possible temperature at the bottom of the lake.

Surface of a lake is at 2^(@)C . Find the temperature of the bottom of the lake

1 gm of ice at 0^@C is added to 5 gm of water at 10^@C . What will be the final temperature of the mixture?

What is the change in temperature of water when it falls from the top to the bottom in a waterfall?

An air bubble starts rising from the bottom of a lake. Its diameter is 3.6 mm at the bottom and 4mm at the surface. The depth of the lake is 250 cm and the temperature at the surface is 40^@C . The atmospheric pressure is 76 cm of Hg and g=980 cm.s^-2 . What is the temperature at the bottom of the lake?

An air bubble starts rising from the bottom of a lake. Its diameter is 3.6 mm at the bottom and 4mm at the surface. The depth of the lake is 250 cm and the temperature at the surface is 40^@C . The atmospheric pressure is 76 cm of Hg and g=980 cm.s^-2 . What is the pressure at the bottom of the lake?

An air bubble of diameter 1cm is formed at a depth of 238ft in a lake. What will be the diameter (in cm) of the bubble when it reaches the free surface? Given that the temperature from top to bottom in the lake is same and the height of a water barometer is 34 ft.