What happens to a room when all light sources are blocked?

• It becomes brighter.

• It remains the same.

• It becomes dark.

• It changes color.

Which of the following is a luminous object?

• A light bulb

• A mirror

• A book

• The moon

How do we see illuminated objects?

• Light bounces off them to our eyes.

• They are transparent.

• They emit their own light.

• They absorb all light.

What is the line of sight?

• A line that absorbs light.

• A line you must look along to see an object.

• A line that reflects light.

• A path light takes to travel.

To see an image in a mirror, where must you look?

• Along the line of sight at the image.

• At the light source.

• At the object itself.

• Directly at the mirror surface.

What is the incident ray?

• A ray that travels from the eye to the object.

• A ray that reflects off the mirror.

• A ray that approaches the mirror from the object.

• A ray that passes through the mirror.

What is the role of the reflected ray?

• It travels from the object to the mirror.

• It travels from the mirror to the eye.

• It travels from the eye to the object.

• It travels through the mirror.

Which pathway is correct for light traveling from an object to the eye via a mirror?

• Light passes through the mirror.

• Light travels around the mirror.

• Light reflects off the mirror to the eye.

• Light travels directly to the eye.

What must be true for the eye to see an image in a mirror?

• The eye must look directly at the object.

• The eye must be closed.

• The eye must look along the line of sight at the image.

• The eye must be in darkness.

What is the purpose of the interactive exercise in the video?

• To test knowledge of luminous objects.

• To practice identifying correct light pathways.

• To learn about different types of mirrors.

• To understand the concept of darkness.