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Tidal Energy (Easy Explanation) Video Lecture - Class 10

FAQs on Tidal Energy (Easy Explanation) Video Lecture - Class 10

1. What is tidal energy?

Ans. Tidal energy is a form of renewable energy that is generated by harnessing the power of ocean tides. It utilizes the natural rise and fall of tides caused by the gravitational pull of the moon and the sun to generate electricity.

2. How does tidal energy work?

Ans. Tidal energy works by using tidal turbines or tidal barrages to capture the kinetic energy of the moving water during high and low tides. Tidal turbines are similar to wind turbines, but instead of wind, they use the flow of tides to rotate the blades and generate electricity. Tidal barrages, on the other hand, are large structures built across river estuaries or bays. As the tide rises, water is trapped behind the barrage and when the tide falls, the stored water is released through turbines to generate electricity.

3. What are the advantages of tidal energy?

Ans. Tidal energy has several advantages. Firstly, it is a renewable energy source as tides are predictable and occur twice a day. Secondly, tidal energy does not produce any greenhouse gas emissions or air pollution. Additionally, tidal energy projects can serve as protective barriers against coastal erosion and flooding. Tidal energy is also a reliable and stable source of energy, as tides are not affected by weather conditions.

4. Are there any disadvantages of tidal energy?

Ans. While tidal energy has numerous advantages, there are some disadvantages as well. One of the main challenges is the high initial cost of building and installing tidal energy infrastructure. The construction of tidal barrages can also have environmental impacts, such as altering the natural flow of water and affecting marine ecosystems. Tidal energy is only feasible in areas with strong tides, which limits its geographical applicability.

5. How much electricity can tidal energy generate?

Ans. The amount of electricity that can be generated from tidal energy depends on various factors such as the location, size, and efficiency of the tidal energy project. On average, a single tidal turbine can generate enough electricity to power several hundred homes. Large-scale tidal energy projects, such as tidal barrages, have the potential to generate significant amounts of electricity, comparable to traditional power plants. However, it is important to note that tidal energy is still a relatively new technology and its full potential is yet to be realized.

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Sep 05, 2025 Last updated

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