Download - 14 Image Formation on a Screen
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ScreenA B
ScreenA B
Observe the
characteristics of
the image formed on
the screen at
different screen
distances from the
lens.
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Screen
Screen
When a screen is placedexactly where
the light rays converged,the image formed on the
screen is clear and
sharp (focussed)
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A
A
When a screen is placed nearer
to the lens (Point A),describe the characteristicsof the image formed on the
screen.
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B
B
When a screen isplaced far away fromthe lens (Point B),
describe thecharacteristics ofthe image formed on
the screen.
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A
A
When a screen isplaced nearer to thelens (Point A), the
image on the screen isblurred and diminished.
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A
Pinhole camera with
the screen near to the
pin hole.
Pin hole
Screen
The image is:
Blurred
Diminished
Real
Inverted
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B
B
When a screen isplaced far away from
the lens (Point B),the image on the
screen is blurred and
enlarged.
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B The image is:
Pinhole camera with
the screen far fromthe pin hole.
Pin hole
Screen
Blurred
Enlarged
Real
Inverted