Question

Two converging lenses, each having a focal length equal to 10.7 cm, are separated by 38 cm. An object is 21.4 cm to the left of the first lens.

(a) Find the position of the final image using both a ray
diagram and the thin-lens equation.

cm to the right of the object

(c) What is the overall lateral magnification?

Answer #1

A converging lens, which has a focal length equal to 8.4 cm, is
separated by 30.5 cm from a second lens. The second lens is a
diverging lens that has a focal length equal to -13.7 cm. An object
is 16.8 cm to the left of the first lens.
(a) Find the position of the final image using both a ray
diagram and the thin-lens equation. __________cm to the right of
the object
(b) Is the final image real or...

An optical system consists of two lenses separated by 35 cm –
first is converging with focal length 10 cm and the second is
diverging with focal length 15 cm. An object is 20 cm to the left
of the first lens. Find the position of the final image using both
a ray diagram and the thin-lens equation. Is the image real or
virtual? Erect or inverted? What is the overall magnification of
the image?

Two converging lenses are separated by 24.00 cm. The focal
length of each lens is 15.00 cm. An object is placed 32.00 cm to
the left of the lens that is on the left. Determine the final image
distance relative to the lens on the right.

Two converging lenses, the first with focal length f1 = 25 cm
and the second with focal length f2 = 15 cm are separated by a
distance of ` = 65 cm. An object is place at a distance of do1 = 45
cm to the left of the first lens.
(a) What will be the distance from the second lens that the final
image is produced? Is this image to the left or right of the second
lens? Justify...

Two converging lenses (f1 = 9.00 cm and
f2 = 6.00 cm) are separated by 18.0 cm. The
lens on the left has the longer focal length. An object stands 10.0
cm to the left of the left-hand lens in the combination.
(a) Locate the final image relative to the lens on
the right. (b) Obtain the overall magnification.
(c) Is the final image real or virtual? With
respect to the original object, (d) is the final
image upright or...

A converging lens of focal length f1 = +22.5 cm is placed at a
distance d = 60.0 cm to the left of a diverging lens of focal
length f2 = −30.0 cm. An object is placed on the common optical
axis of the two lenses with its base 45.0 cm to the left of the
converging lens. (The thin-lens approximation may be assumed to
hold.) (a) Calculate the location of the final image and its
overall magnification with respect...

Two converging lenses are placed 40.0 cm apart. The focal length
of the lens on the right is 21.0 cm , and the focal length of the
lens on the left is 10.5 cm . An object is placed to the left of
the 10.5 cm focal-length lens. A final image from both lenses is
inverted and located halfway between the two lenses.
How far to the left of the 10.5 cmcm focal-length lens is the
original object?

Two lenses, one converging with focal length 20.0 cm and one
diverging with focal length -11.7 cm , are placed 25.0 cm apart. An
object is placed 60.0 cm in front of the converging lens.
Determine the position of the final image formed.
Express your answer with the appropriate units.
di =
Determine the magnification of the final image formed.
m=

Two converging lenses having focal lengths of f1 = 11 cm and f2
= 19 cm are placed 50 cm apart as shown in Figure. The final
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Two converging lenses have the same focal length of 5.00 cm.
They have a common principal axis and are separated by 29.1 cm. An
object is located 10.0 cm to the left of the left-hand lens. What
is the image distance (relative to the lens on the right) of the
final image produced by this two-lens system?

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