Real and virtual images (AQA GCSE Physics): Flashcards

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Real and virtual images
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Real image definition

Image that can be shown on a screen

Lens & position for real image

Convex lens, object beyond focal point

Orientation of real images

Upside down

Real image size when object moves closer to lens

Image becomes larger

Real image position when object moves closer to lens

Image moves further away from lens

Virtual image definition

Image that cannot be shown on a screen

Orientation of virtual images

Right way up

When convex lens creates virtual image

Object between lens and focal point

What concave lenses always produce

Virtual images

Magnification formula

image heightobject height\frac{\text{image height}}{\text{object height}}

Meaning of magnification >1> 1

Image is larger than object

Meaning of magnification <1< 1

Image is smaller than object

Meaning of magnification =1= 1

Image is same size as object

Can real images be projected on screen?

Yes

Can virtual images be projected on screen?

No

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