Light Waves Ch 1-2 Flashcard

Front

A light source can emit more than ________ type of light.

Back

one

Front

When a material absorbs energy from light, the energy causes the material to ________________.

Back

change

Front

Why does ultraviolet light make calcite glow when light from the desk lamp does not?

Back

Because calcite can take in (absorbs) energy from ultraviolet light but not from the light from the desk lamp.

Front

Why does light from the infrared lamp warm the mirror when light from the desk lamp does not?

Back

Because the mirror can absorb energy from infrared light but not from the light from the desk lamp.

Front

The ability to make things move or change is called __________.

Back

energy

Front

What is the term for the range of different colors of light?

Back

spectrum

Front

What type of light is known for carrying heat energy?

Back

infrared light

Front

What is the process called when light bounces off a surface?

Back

reflection

Front

What is the term for the distance between two consecutive peaks of a wave?

Back

wavelength

Front

What is the term for the number of waves that pass a point in a given period of time?

Back

frequency