Question

Two lenses are placed 50 cm apart. The first lens is converging and has a focal length of 20 cm, and the second lens is diverging and has a focal length of 15 cm. If an object is placed 55 cm in front of the first lens, where is the final image located? Give your answer in relation to the second lens. What is the overall magnification? Is the final image upright or inverted? Is the final image real or virtual?

Answer #1

Two thin lenses with a focal length of magnitude 10.0 cm , the
first diverging and the second converging, are located 7.50 cm
apart. An object 3.00 mm tall is placed 16.7 cm to the left of the
first (diverging) lens.
How far from this first lens is the final image formed?
Is the final image real or virtual?
What is the height of the final image?
Is it upright or inverted?
Thank you!!

Two thin lenses with a focal length of magnitude 11.5 cm, the
first diverging and the second converging, are located 8.62 cm
apart. An object 1.90 mm tall is placed 19.2 cm to the left of the
first (diverging) lens.
A. How far from the first lens is the final image formed?
B. Is the final image virtual or real?
C. What is the height of the final image?
D. Is it upright or inverted?

An
object is placed 5cm in front of a diverging lens of focal length
25 cm. A second converging lens of focal length 15cm is positioned
20 cm to the right of the first lens. What is the final image
distance? What is the magnification of the final image? Is it
upright of inverted? Real or virtual?

Two converging lenses, each of focal length 15.1 cm, are placed
40.4 cm apart, and an object is placed 30.0 cm in front of the
first lens. Where is the final image formed?
The image is located ______ cm ---Location---a) in
front of the second lens. b) behind the second lens. c)in front of
the first lens.
What is the magnification of the system?
M = ______ ?

Two thin lenses with a focal length of magnitude 11.0 cm, the
first diverging and the second converging, are located 8.25 cm
apart. An object 1.60 mm tall is placed 18.3 cm to the left of the
first (diverging) lens. Part A How far from this
first lens is the final image formed? Part B Is
the final image real or virtual? Part C What is
the height of the final image? Part D Is it
upright or inverted?

Two converging lenses, each of focal length 14.9 cm, are placed
39.9 cm apart, and an object is placed 30.0 cm in front of the
first lens. Where is the final image formed?
The image is located x cm ---Location--- in front of
the second lens.
What is the distance?
What is the magnification of the system?

A) An object is placed 26 cm in front of a converging lens of
focal length 5 cm. Another converging lens of focal length 10 cm is
placed 20 cm behind the first lens.
1) Find the position of the final image with respect to the second
lens. ____cm
2) Find the magnification of the final image. _____
B) A diverging lens of focal length −12cm projects the image of
an object onto a wall. What is the object distance if...

Two converging lenses are placed 15 cm
apart. The lens A (on the left) has a focal length of 5 cm, and
lens B (on the right) has a focal length of 4 cm. An object is
placed 8 cm to the left of lens A. Draw the scenario and confirm
your findings using the equations to find:
a) the final
image distance
b) the
magnification
c) is the
image real or virtual?

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
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(b) Is the final image real or...

An optical system consists of two lenses separated by 35 cm –
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virtual? Erect or inverted? What is the overall magnification of
the image?

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