Visible Light

Front

What is visible light?

Back

Visible light is the portion of the electromagnetic spectrum that is visible to the human eye, typically ranging from wavelengths of about 400 to 700 nanometers.

Front

What happens when light transitions into a new medium?

Back

Refraction occurs when light passes from one medium to another, causing it to change speed and direction.

Front

What is the visible light spectrum?

Back

The visible light spectrum is the range of wavelengths of light that can be seen by the human eye, including colors from violet to red.

Front

What mnemonic helps remember the order of colors in the visible spectrum?

Back

ROYGBIV stands for Red, Orange, Yellow, Green, Blue, Indigo, Violet.

Front

How do we perceive the color white?

Back

We see the color white when all colors of light are reflected and none are absorbed.

Front

What is reflection in terms of light?

Back

Reflection is the bouncing back of light when it hits a surface, such as a mirror.

Front

What is the difference between reflection and refraction?

Back

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

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum encompasses all types of electromagnetic radiation, including visible light, radio waves, X-rays, and more.

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 (or about 186,282 miles per second).

Front

What is a prism and how does it relate to light?

Back

A prism is a transparent optical element that refracts light, separating it into its constituent colors.