Solar cells, or photovoltaic cells, are electronic devices that convert light energy directly into electricity through the photovoltaic effect. When photons strike the semiconductor material in the cell, they knock electrons loose, creating an electric current.

Photovoltaic cells, often called solar cells, are semiconductor devices that convert light energy directly into electricity through the photovoltaic effect. When photons from sunlight strike the semiconductor material, they excite electrons, creating an electric current. This technology is the foundation of modern solar power generation systems used in residential, commercial, and space applications.

Statement 1 is correct as it accurately describes the conversion mechanisms. Statement 2 is incorrect because photovoltaics produce DC, not AC. Statement 3 is incorrect because India has a significant and growing manufacturing base for photovoltaic cells and modules.

Most artificial satellites utilize solar panels (photovoltaic cells) to convert sunlight directly into electrical energy. This energy is used to power the satellite's onboard instruments and communication systems, and is typically stored in rechargeable batteries to provide power during periods when the satellite is in the Earth's shadow.

Solar energy refers to the radiant light and heat energy emitted by the sun. Technologies such as solar cookers, distillation plants, and photovoltaic or thermal power plants are specifically designed to capture and convert this solar radiation into useful forms of energy.

At solar noon, when the Sun is at its highest point in the sky, the solar constant is attenuated by the atmosphere. The resulting solar irradiance reaching the Earth's surface is approximately 1 kilowatt per square meter (kW/m2). This value is a standard approximation used in solar energy calculations, though it fluctuates based on atmospheric clarity, altitude, and latitude.

Photovoltaic cells are semiconductor devices that utilize the photovoltaic effect to generate an electric current when exposed to light. This process allows for the direct conversion of photons from sunlight into electrical energy, which is the foundational principle behind modern solar power technology.

Photovoltaic cells, also known as solar cells, are semiconductor devices that convert light energy directly into electrical energy through the photovoltaic effect. When photons from sunlight strike the cell, they excite electrons, creating an electric current.

Silicon is a semiconductor material that serves as the fundamental component in most photovoltaic cells. When photons from sunlight strike the silicon atoms, they knock electrons loose, creating an electric current through the photovoltaic effect, which is the basis for solar energy conversion.

Solar cells operate based on the photovoltaic effect, a process where light energy (photons) is converted directly into electrical energy (voltage or current) within a semiconductor material. When photons strike the semiconductor, they excite electrons, creating an electric current that can be harnessed for power.