Chapter 4 Test - LIGHT

Front

What are the primary colors of light?

Back

Red, Green, Blue.

Front

Which color is not a primary color of light?

Back

Yellow.

Front

What type of image is formed by a convex mirror?

Back

Virtual.

Front

What happens to light when it is absorbed by an object?

Back

The object appears black if it absorbs all wavelengths of visible light.

Front

Is a light bulb a luminous object?

Back

Yes, a light bulb is considered a luminous object.

Front

Can one optical fiber carry thousands of phone conversations?

Back

Yes, one optical fiber can carry thousands of phone conversations.

Front

What is a luminous object?

Back

An object that emits its own light.

Front

What is a non-luminous object?

Back

An object that does not emit its own light but can reflect light from luminous objects.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.

Front

What is refraction?

Back

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