Light, Color, Mirrors, Lenses Flashcard

Front

What color of light bends the most when passing through a prism?

Back

Violet

Front

What type of image is formed when an object is placed between the focal point and a convex lens?

Back

Virtual and upright

Front

Which color of visible light has the shortest wavelength?

Back

Violet

Front

What happens to the speed and direction of light when it passes from air into glass at an angle?

Back

Speed decreases, bends toward normal

Front

Why does a fork look different under water?

Back

Light is refracted at an angle.

Front

What is refraction?

Back

The bending of light as it passes from one medium to another.

Front

What is the focal point of a lens?

Back

The point where parallel rays of light converge after passing through the lens.

Front

What type of lens is thicker in the middle than at the edges?

Back

Convex lens.

Front

What is the difference between real and virtual images?

Back

Real images can be projected on a screen; virtual images cannot.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.