Introduction to Light

Front

What is the definition of opaque?

Back

An opaque object does not allow light to pass through it.

Front

What is the definition of translucent?

Back

A translucent object allows some light to pass through, but not enough to see through clearly.

Front

What is the definition of transparent?

Back

A transparent object allows light to pass through completely, enabling clear visibility.

Front

Give an example of an opaque object.

Back

An example of an opaque object is a basketball.

Front

Give an example of a translucent object.

Back

An example of a translucent object is a tissue.

Front

Give an example of a transparent object.

Back

An example of a transparent object is a piece of glass.

Front

What is the difference between opaque, translucent, and transparent materials?

Back

Opaque materials block light completely, translucent materials allow some light to pass but obscure visibility, and transparent materials allow light to pass through clearly.

Front

Which of the following is not a source of light: a candle, a mirror, or the sun?

Back

A mirror is not a source of light; it reflects light.

Front

What is a common characteristic of opaque objects?

Back

Opaque objects do not transmit light.

Front

What is a common characteristic of transparent objects?

Back

Transparent objects transmit light without significant scattering.