SCIENCE quiz light

When light strikes a transparent glass window, it:

• Absorbs the light

• Reflects the light

• Transmits the light

• Disperses the light

A student notices that a pencil submerged in water appears bent. Explain the phenomenon using the concepts of light refraction and the properties of different mediums.

• The pencil emits a special light underwater.

• The water absorbs light from the pencil.

• Light changes direction as it passes from air to water, causing the pencil to appear bent.

• The pencil's shape changes due to the water pressure

When you stand in front of a plane mirror, what type of image is formed?

• Real image

• Virtual image

• Inverted image

• Upside-down image

A convex mirror is often used as a rearview mirror in vehicles. Why is it a suitable choice for this purpose?

• It forms a magnified image of the objects behind the vehicle.

• It forms an inverted image of the objects behind the vehicle.

• It provides a wider field of view, helping to eliminate blind spots.

• It reduces the brightness of headlights from vehicles behind.

Which part of the eye is responsible for detecting light and sending signals to the brain?

• Cornea

• Pupil

• Optic Nerve

• Lens

What is the primary function of the iris in the eye?

• To focus incoming light

• To change the color of the eye

• To regulate the amount of light entering the eye

• To protect the retina

What is the purpose of the optic nerve in the eye?

• To regulate the amount of light entering the eye

• To transmit electrical signals from the retina to the brain

• To control the shape of the lens

• To protect the eye from foreign particles

What is the main function of the lens in the human eye?

• To control the amount of light entering the eye

• To convert light into electrical signals

• To detect colors and shapes

• To reflect light onto the retina