Ondas de la luz y colores

The video explains why the sky appears blue and changes color at sunset. It describes the light spectrum, how colors are perceived, and how atmospheric gases scatter light. The sky's blue color is due to the scattering of shorter wavelengths by nitrogen and oxygen. At sunset, longer wavelengths like red and orange dominate due to increased scattering of shorter wavelengths.

What happens to sunlight when it passes through a prism?

• It becomes invisible

• It speeds up

• It is absorbed by the prism

• It is separated into a spectrum of colors

Why does the sky appear blue during the day?

• Due to the reflection of the ocean

• Because blue light has the longest wavelength

• Because the sun emits only blue light

• Due to the scattering of blue light by atmospheric gases

Which color has the shortest wavelength in the visible spectrum?

• Blue

• Red

• Green

• Violet

Why do sunsets often appear red or orange?

• Because the sun emits more red light in the evening

• Because the sun is closer to the Earth

• Due to pollution in the atmosphere

• Due to the scattering of shorter wavelengths, leaving longer wavelengths like red and orange

What is the main composition of Earth's atmosphere that affects light scattering?

• Methane and argon

• Helium and hydrogen

• Nitrogen and oxygen

• Carbon dioxide and water vapor