Question

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 the image is
virtual, upright, and 80% of the object size? _____cm

Answer #1

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?

An object is placed 19 cm to the left of a converging lens of
focal length 26 cm. A diverging lens of focal length 10 cm is 25 cm
to the right of the converging lens. Find the position and
magnification of the final image.
______cm
magnification_______X

3: An object of height 2.6 cm is placed 26 cm in front of a
diverging lens of focal length 15 cm. Behind the diverging lens,
and 11 cm from it, there is a converging lens of the same focal
length.
(a) Find the location of the final image, in
centimeters beyond the converging lens.
s''=
(b) What is the magnification of the final
image? Include its sign to indicate its orientation with respect to
the object.
mtotal=

An object is placed 78.1 cm in front of a diverging lens with a
focal length of magnitude 37.3 cm. A converging lens having a focal
length of magnitude 27.49 cm is placed 105.3 cm past the first
lens. Where is the final image formed. Is this image Real or
Virtual. Inverted or Non-Inverted? Also calculate the
magnification.

A converging lens with a focal length of 4.8 cm is
located 24.8 cm to the left of a diverging lens having a
focal length of -15.0 cm. If an object is located 9.8
cm to the left of the converging lens, locate and describe
completely the final image formed by the diverging lens.
Where is the image located as measured from the diverging
lens?
What is the magnification?
Also determine, with respect to the original object whether the
image...

A diverging lens with a focal length of -19.7 cm and a
converging lens with a focal length of 11.0 cm have a
common central axis. Their separation is 39.5 cm. An
object of height 1.1 cm is 26.4 cm in front of
the diverging lens, on the common central axis. Find the location
of the final image produced by the combination of the two
lenses.
Where is the image located as measured from the converging
lens?
What is the...

An
object is placed 30 cm to the left of a converging lens of focal
length 10 cm. A diverging lens of focal length -15 cm is 20 cm to
the right of the converging lens.
a) Where is the image created by the first lens relative to
the first lens?
b) Is it real or virtual?
c) Where is the final image relative to the second lens?
d) Is it real or virtual?
e) What is the final lateral...

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...

A 1.8 cm tall object is placed 5 cm to the left of a converging
lens (lens #1) with a focal length of 1.3 cm. To the right of this
converging lens is a diverging lens (lens #2) that has a focal
length of 2.6 cm. The diverging lens is placed 22.4 cm from the
converging lens. Where is the final image, is it real or virtual,
and is it upright or inverted?

An object i 5 cm in front of diverging lens (focal length 10
cm). 20 cm behind diverging lens is converging lens (focal length
20 cm). where is the image? is it real or virtual?

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