Ice formed over lakes has

The ratio of time taken by ice on the surface of ponds or lakes to become triple the thickness is

The ratio of time taken by ice on the surface of ponds or lakes to become triple the thickness is

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.

During cold winters, ice can form on small lakes and ponds. Many people skate on the ice. Sometimes, a person skates on thin ice and breaks through it. Why do rescue workers lie flat on the ice instead of walking upright when reaching out to help rescue a skater.

Water in rivers and lakes evaporates continuously from their surface this evaporated water is formed as clouds water vapour from rivers and lakes is formed due to heat supplied by

Which zone of a lake has no photosynthetic organism?

The temperature of water at the bottom of a lake whose upper surface has frozen to ice would be around

Bottom of a lake is at 0^(@)C and atmospheric temperature is -20^(@)C . If 1 cm ice is formed on the surface in 24 h, then time taken to form next 1 cm of ice is

Bottom of a lake is at 0^(@)C and atmospheric temperature is -20^(@)C . If 1 cm ice is formed on the surface in 24 h, then time taken to form next 1 cm of ice is