Ray diagrams - Convex vs Concave Flashcards

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1
Q

If object is greater then 2F (twice the distance of primary focus)

What does the image turn out as (CONVEX)

A

real
inverted
diminished

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2
Q

If object is greater then F but less than 2F

What does the image turn out as (CONVEX)

A

real
inverted
larger than object

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3
Q

If object is less then F

What does image turn out as (CONVEX)

A

Virtual
upright
larger than object

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4
Q

What is the rule for objects in concave lenses

A

image is always virtual upright

decreases in size the further object is from the lens

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5
Q

What is a real image

A

A real image is an image that can be projected onto a screen.

Rays of light actually pass through the image

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6
Q

What is a virtual image

A

A virtual image cannot be projected onto a screen.

It appears to come from behind the lens and can only be seen by looking through the lens.

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