Light and Color

Front

What is a prism?

Back

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

Front

What is the least dangerous type of electromagnetic radiation to humans?

Back

Radio waves are the least dangerous type of electromagnetic radiation to humans.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, changing its speed.

Front

What causes a mirror image?

Back

A mirror image is caused by reflected light bouncing off a smooth surface.

Front

What type of mirror is a concave mirror?

Back

A concave mirror is a mirror that curves inward, causing light rays to converge.

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What is the visible spectrum?

Back

The visible spectrum is the range of colors that can be seen by the human eye, typically represented as red, orange, yellow, green, blue, indigo, and violet.

Front

What is the difference between a convex mirror and a concave mirror?

Back

A convex mirror curves outward and diverges light rays, while a concave mirror curves inward and converges light rays.

Front

What is the role of light in photosynthesis?

Back

Light provides the energy needed for plants to convert carbon dioxide and water into glucose and oxygen.

Front

What is the speed of light?

Back

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