Color and Light Flashcard

Front

What are primary colors?

Back

Primary colors are the basic colors that can be combined to create a wide range of other colors. The primary colors are Red, Green, and Blue.

Front

What are electromagnetic waves good for in terms of information transfer?

Back

Electromagnetic waves, such as radio waves, are used for transferring information over distances, including communication signals.

Front

Why can you not see some colors in different situations, like underwater?

Back

Some colors cannot be seen underwater because light frequencies are absorbed by water, affecting how colors appear.

Front

What is the movement of waves through a medium called?

Back

The movement of waves through a medium is called Transmission.

Front

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

Back

The term for the number of complete waves that pass a point in a given time is Frequency.

Front

What are the secondary colors formed by mixing primary colors?

Back

Secondary colors are formed by mixing two primary colors. For example, mixing Red and Green creates Yellow.

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second (km/s).

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, such as from air to water.

Front

What is the visible spectrum?

Back

The visible spectrum is the range of wavelengths of light that can be seen by the human eye, typically from about 380 nm to 750 nm.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light when it hits a surface, while refraction is the bending of light as it passes through different media.