Types of Radiation and Solar Energy

The video provides an overview of the energy received from the sun, explaining that the sun is a nuclear reactor undergoing fusion. It details the different types of solar radiation, including gamma rays, X-rays, ultraviolet, visible light, and infrared. The video focuses on ultraviolet radiation, explaining its wavelength range. It also discusses the distribution of energy types received from the sun, highlighting that the majority is visible light, infrared, and ultraviolet. The video concludes with a call to action for viewers to subscribe and explore more content.

What process does the sun use to generate energy?

• Magnetic resonance

• Chemical reaction

• Nuclear fusion

• Nuclear fission

How long has the sun been producing energy through nuclear fusion?

• 2.5 billion years

• 3.6 billion years

• 4.6 billion years

• 5.6 billion years

What is the term used to describe the energy emitted by the sun in space?

• Conduction

• Reflection

• Convection

• Radiation

Which type of radiation has the shortest wavelength and is most harmful?

• Infrared

• X-rays

• Gamma rays

• Ultraviolet

What is the range of wavelengths for ultraviolet radiation?

• 1000 to 1500 nanometers

• 700 to 1000 nanometers

• 400 to 700 nanometers

• 1 to 400 nanometers

Which type of radiation is primarily responsible for heat energy from the sun?

• X-rays

• Gamma rays

• Infrared

• Ultraviolet

What percentage of the sun's energy received on Earth is ultraviolet?

• 7%

• 50%

• 25%

• 15%

Which type of radiation makes up the largest portion of the sun's energy received on Earth?

• Ultraviolet

• Infrared

• Visible light

• Gamma rays

What is the approximate percentage of visible light in the sun's energy received on Earth?

• 10-14%

• 20-24%

• 30-34%

• 40-44%

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