Amplify Light Waves Review

Front

What is the main reason why light from the sun can change the color of certain materials, while light from a desk lamp cannot?

Back

The cloth can take in energy from the light from the sun but not from the light from the desk lamp.

Front

Why does infrared light warm a mirror while light from a desk lamp does not?

Back

The mirror can take in energy from infrared light but not from the light from the desk lamp.

Front

Which type of laser light is capable of cutting a hole in silicone?

Back

The carbon dioxide laser can cut a hole in the silicone.

Front

Can light from the sun make special ink visible?

Back

Yes. The ink can take in energy from the light, causing it to become visible.

Front

What happens to a red toy under an infrared lamp compared to a desk lamp?

Back

The paint can take in energy from infrared light but not from the light from the desk lamp, causing it to turn blue.

Front

What is energy in the context of light waves?

Back

Energy is the capacity to do work or cause change, which light waves can transfer to materials.

Front

Define infrared light.

Back

Infrared light is a type of electromagnetic radiation with wavelengths longer than visible light, often associated with heat.

Front

What is the role of energy absorption in color change of materials?

Back

When materials absorb energy from light, it can cause a change in their color or state.

Front

Explain how sunlight differs from artificial light in terms of energy.

Back

Sunlight contains a broader spectrum of energy, including ultraviolet and infrared, which can affect materials differently than artificial light.

Front

What is a laser and how does it differ from regular light?

Back

A laser is a device that emits light through a process of optical amplification, producing a coherent beam of light that is focused and intense.