Asked by Karaokyanus
For a fixed distance L between the object and the screen, there are
two positions (1 and 2) of a converging lens which produce a reel image
on the screen. These two positions are D apart.
a) Derive the expression for the focal length f of the lens in terms of L
and D.
b) Express the height of the object h in terms of the heights of the two
images h1 and h2.
two positions (1 and 2) of a converging lens which produce a reel image
on the screen. These two positions are D apart.
a) Derive the expression for the focal length f of the lens in terms of L
and D.
b) Express the height of the object h in terms of the heights of the two
images h1 and h2.
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