What is the principle behind tidal energy?
Due to the gravitational pull of the moon on the earth, the level of the water in the sea rises and falls. The phenomenon is called high and low tides and the difference in sea levels gives us tidal energy.
What is tidal energy?
What are the advantages of tidal energy?
What is the basic principle behind fractional distillation?
What is the principle behind the process of centrifugation?