Journey into the World of Light

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Questions and Answers

What is light made up of?

Light is made up of individual units called photons.

How does light travel?

Light travels in the form of both particles and waves.

What is the relationship between frequency and wavelength?

Frequency and wavelength are inversely proportional; the higher the frequency, the shorter the wavelength, and vice versa.

What are the three things that can happen when light interacts with objects?

Light can be reflected, absorbed, or transmitted. Signup and view all the answers

Why do black cars get hotter than light-colored cars?

Black and other darker colors absorb more light energy, whereas lighter colors reflect it. Signup and view all the answers

What is light transmission?

Light transmission is when light can pass through objects, such as transparent materials like glass and water. Signup and view all the answers

What happens to waves when they are transmitted through a material?

The type of wave and medium the wave moves through can change the wave by changing the amount of energy the wave has and in doing so, changes the wavelength and frequency. Signup and view all the answers

What is scattering?

Scattering is when the light hits an atom in the atmosphere and is transmitted in all directions. Signup and view all the answers

What is refraction?

Refraction is the bending of light when the light changes speed as it passes through a material. Signup and view all the answers

Give an example of how light can be artificially changed.

Using colored lenses on spotlights to only let one type of light through the lens, which changes the color appearance of objects. Signup and view all the answers

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