Refraction and Lenses

Understand refraction and how lenses work in optics.

Sample Cards

Refraction

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

Snell's Law

The law that describes the relationship between the angle of incidence and refraction

Convex Lens

A lens that is thicker in the center and thinner at the edges

Concave Lens

A lens that is thinner in the center and thicker at the edges

Focal Point

The point where parallel light rays converge after passing through a convex lens

Refractive Index

The measure of how much a light ray changes its direction when it enters the material

Image Formation

The creation of an image by the refraction of light in a lens

Real Image

An image that is formed when light rays actually meet

Refraction and Lenses Flashcards

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Refraction

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

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

Refraction

Snell's Law

The law that describes the relationship between the angle of incidence and refraction

The law that describes the relationship between the angle of incidence and refraction

Snell's Law

Convex Lens

A lens that is thicker in the center and thinner at the edges

A lens that is thicker in the center and thinner at the edges

Convex Lens

Concave Lens

A lens that is thinner in the center and thicker at the edges

A lens that is thinner in the center and thicker at the edges

Concave Lens

Focal Point

The point where parallel light rays converge after passing through a convex lens

The point where parallel light rays converge after passing through a convex lens

Focal Point

Refractive Index

The measure of how much a light ray changes its direction when it enters the material

The measure of how much a light ray changes its direction when it enters the material

Refractive Index

Image Formation

The creation of an image by the refraction of light in a lens

The creation of an image by the refraction of light in a lens

Image Formation

Real Image

An image that is formed when light rays actually meet

An image that is formed when light rays actually meet

Real Image

Virtual Image

An image that appears to be in a location where light does not really reach

An image that appears to be in a location where light does not really reach

Virtual Image

Magnifying Glass

A convex lens that magnifies objects

A convex lens that magnifies objects

Magnifying Glass

Camera Lens

A lens, often concave, used in cameras to focus light and create an image

A lens, often concave, used in cameras to focus light and create an image

Camera Lens

Total Internal Reflection

The complete reflection of a ray of light within a medium from the surrounding surfaces back into the medium

The complete reflection of a ray of light within a medium from the surrounding surfaces back into the medium

Total Internal Reflection

Optical Illusion

An illusion caused by the physical processes that determine perception, especially refraction

An illusion caused by the physical processes that determine perception, especially refraction

Optical Illusion

Lens Shape

The shape of a lens, which affects how it refracts light and forms images

The shape of a lens, which affects how it refracts light and forms images

Lens Shape

Microscope

A device that uses a combination of lenses to magnify small objects

A device that uses a combination of lenses to magnify small objects

Microscope

Telescope

A device that uses lenses and/or mirrors to gather light from distant objects and focus it to create an image

A device that uses lenses and/or mirrors to gather light from distant objects and focus it to create an image

Telescope

Projector Lens

A lens that focuses light from a source onto a screen to create a large image

A lens that focuses light from a source onto a screen to create a large image

Projector Lens

Refraction in Water

The bending of light as it passes from air into water, causing objects in the water to appear shifted

The bending of light as it passes from air into water, causing objects in the water to appear shifted

Refraction in Water

Fiber Optic Communication

The use of light refraction in thin strands of glass to transmit data

The use of light refraction in thin strands of glass to transmit data

Fiber Optic Communication

Glasses / Contact Lenses

Lenses that correct vision by changing the refraction of light into the eye

Lenses that correct vision by changing the refraction of light into the eye

Glasses / Contact Lenses

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