Question

Consider a convex lens with a focal length of 5.00 cm. An object is located at 12.50 cm. The object is 5.50 cm tall. Draw the ray diagram to scale. Determine the image distance, the height of the image, the magnification and the characteristices of the image.

Answer #1

A convex lens with a focal length of magnitude 4.0 cm and a
concave lens with a focal length of magnitude 10 cm are separated
by a distance of 18 cm as shown in the diagram below. The convex
lens is on the left, and the concave lens is on the right. An
object is then placed 6.0 cm to the left of the convex lens.
Locate the final image. State the distance of the final image
to the right...

A 3 cm. "tall" object is placed 25 cm. from a convex lens with a
focal length of 50 cm. Determine at what distance a focused image
will appear. Determine the height of this image. Create a sketch
(ray diagram) showing the scenario described above labeled as “A”
and a scenario where everything is the same except the focal length
of the lens is changed to 12.5 cm.

A convex mirror has a focal length of -44.0 cm. A 12.0-cm-tall
object is located 36.0 cm in front of this mirror.
(a) Using a ray diagram drawn to scale, determine the location
of the image. Note that the mirror must be drawn to scale.
cm
(b) Using a ray diagram drawn to scale, determine the size of the
image. (Use a negative sign for an inverted image, positive for
upright.)
cm

An object is located to the left of a convex lens whose focal
length is f=34 cm.
The magnification (m) produced by the lens is 4.0. Find an
expression for
magnification in terms of “f” and object distance (do). To
increase the magnification to
5.0, calculate the distance through which the object should be
moved. Also explain
your result with free hand ray diagram. At what position of
the object the
magnification becomes infinity?

1. A converging lens has a focal length of 14 cm. An object is
18 cm to the left of the lens.
Find the image position
The magnification
Real or virtual?
Erect of inverted?
e. Draw the ray diagram using principal rays and a ruler.
f. If the object was located 7 cm to the left of the lens, draw
the ray diagram.

The tube length in compound microscope is 26 cm. The focal
length of the objective lens is 2 cm. The clearest image is formed
when an object of height 1 mm is placed at a distance of 2.18 cm
from the objective lens. Determine: 1. The position of the
intermediate image, 2. the focal length of the eye piece, that will
place the final image at the near-point, 3. the total magnification
of the microscope and the height of the...

A 2.00-cm-tall object is located 18.0 cm in front of a
converging lens with a focal length of 30.0 cm. (a) Use the lens
equation and (b) a ray diagram to describe the type, location, and
height of the image that is formed.

An object is located to the left of a convex lens whose focal
length is 39 cm . The magnification produced by the lens is
m1 = 3.1. To increase the magnification to 4.5, should the
object be moved closer to the lens or farther away? Calculate the
distance through which the object should be moved.

a convex mirror has a focal length of -20 cm.
a. determine an object location for which the image will be one
half the size of the object
b. draw a ray diagram for this situation
c. the mirror is replaced with a thin lens in exactly the same
position. the image and object do not move. find the focal length
of this thin lens.

An object is placed 4 cm away from a concave lens of focal
length 3 cm. A convex lens of focal length 5 cm is placed 4 cm away
from the concave lens in the same direction (so the distance
between convex lens and the object is 8 cm). Use any method to
figure out if the final image is real/virtual, upright/inverted and
find its distance from the convex lens.
Explain in thorough detail.
draw a proper ray diagram for...

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