Light and Optics Quiz

What is a spectrum?

• The range of colors produced when light is dispersed, such as by a prism.

• A type of sound wave that can be heard by humans.

• A measurement of the speed of light in a vacuum.

• A visual representation of data in a graph.

What happens to light when it passes through a prism?

• It reflects off the surface of the prism.

• It disperses into its component colors.

• It absorbs all colors and appears black.

• It bends but does not change color.

What is a lens?

• A transparent object that bends light to focus or spread it.

• A type of camera used for photography.

• A device that magnifies sound waves.

• A tool used for measuring distances.

What is the difference between natural and artificial light?

• Natural light is produced by human-made sources, while artificial light comes from the sun.

• Natural light comes from the sun, while artificial light is produced by human-made sources.

• Natural light is brighter than artificial light in all situations.

• Artificial light is only used indoors, while natural light is used outdoors.

What is an opaque material?

• A material that allows all light to pass through.

• A material that allows some light to pass through.

• A material that does not allow any light to pass through.

• A material that reflects all light.

What is the role of the eye in seeing?

• The eye detects sound and sends signals to the brain.

• The eye detects light and sends signals to the brain to create images.

• The eye filters colors and enhances brightness.

• The eye captures images and stores them in memory.

What is a shadow?

• An area where light is blocked by an object.

• A reflection of an object on a surface.

• A dark color that objects can have.

• A type of optical illusion.

What is the speed of light?

• 150,000 kilometers per second

• 299,792 kilometers per second

• 500,000 kilometers per second

• 1,000,000 kilometers per second

What is a translucent material?

• A material that allows all light to pass through.

• A material that allows some light to pass through but not all.

• A material that does not allow any light to pass through.

• A material that reflects all light.

What is refraction?

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

• The reflection of light off a surface.

• The absorption of light by a material.

• The scattering of light in different directions.