Lens physics Flashcards

1
Q

image when the object is placed outside 2f

A

image is formed between f and 2f
image is inverted and smaller than the object

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2
Q

Image when object is at 2f

A

real image is formed at 2f
image is inverted and same size as object

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3
Q

image when object is between 2f and f

A

real image formed outside 2f
image inverted and larger than object

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4
Q

image when object is placed at f

A

parallel refracted rays never meet
no image is formed

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5
Q

image when the object is between f and the lens

A

the image is formed on the same side as the object
the image is virtual upright and larger than the object

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6
Q

How an image is formed in a concave lens

A

always virtual upright and located on the same side of the lens as the object
image is always diminished
the nearer the object to the lens the bigger the image is

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