Light Lesson 1 - How Light Travels

Front

What is a material that allows most of the light that strikes it to pass through, but through which objects appear blurry?

Back

Translucent

Front

What is the term for when light passes through a material?

Back

Transmission

Front

True or False: The energy of an electromagnetic wave is related to its frequency.

Back

True

Front

In which medium does light travel fastest?

Back

A vacuum

Front

What is a material through which light does not pass?

Back

Opaque

Front

What do we call materials that allow light to pass through clearly?

Back

Transparent

Front

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

Back

Reflection

Front

What is the term for the bending of light as it passes from one medium to another?

Back

Refraction

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (km/s) or 186,282 miles per second (mi/s).

Front

What is the range of wavelengths of visible light?

Back

Approximately 400 nm (violet) to 700 nm (red).