Solar Energy

The video explores solar power as a primary energy source, tracing its origins and explaining its role in various energy forms. It delves into photovoltaic cells, their efficiency, and the challenges of cost. The video contrasts distributed and centralized power generation, highlighting the inefficiencies of long-distance transmission. It also discusses concentrated solar power methods and the potential of combining technologies for cost-effective solutions. Finally, it addresses the challenges of solar power, including energy storage and economic feasibility, while suggesting future solutions.

Which of the following is NOT originally derived from solar energy?

• Nuclear Power

• Natural Gas

• Wind Power

• Coal

Who discovered the photoelectric effect?

• Isaac Newton

• Albert Einstein

• Edmond Becquerel

• Marie Curie

What is the main challenge of using photovoltaic cells for solar power?

• They are too expensive

• They are too small

• They are not durable

• They are not efficient

What is a key advantage of distributed solar power?

• It is more efficient than all other power sources

• It is cheaper than centralized power

• It generates power where it is used

• It requires less maintenance

What is the main reason solar panels are not economically viable?

• They are not efficient

• They are not durable

• They are too expensive

• They require too much space

What is the primary method used in concentrated solar power plants?

• Using mirrors to focus sunlight

• Using wind turbines

• Using lenses to focus sunlight

• Using photovoltaic cells directly

What is the main disadvantage of concentrated solar power?

• It is more expensive than natural gas

• It requires a lot of water

• It is less efficient than photovoltaics

• It cannot be used in deserts

What is CPV in the context of solar power?

• Conventional Power Voltage

• Centralized Power Voltage

• Concentrated Photovoltaics

• Concentrated Power Voltage

What is a major challenge for solar power at night?

• High cost of panels

• Inefficient energy conversion

• Limited space for panels

• Lack of sunlight

Which of the following is NOT a proposed solution for storing solar energy?

• Using wind turbines

• Pressurizing air in caverns

• Heating molten salt

• Pumping water uphill