Question

A 1.80-cmcm-high insect is 1.20 mm from a 121-mmmm-focal-length lens. Where is the image? Follow the sign conventions

How high is the image? Follow the sign conventions.

the
question doesnt give me what kind of lens so i cant update this
question to give what tupe of lense.

Answer #1

A 2.79-cmcm-high insect is 1.11 mm from a 135-mmmm-focal-length
lens. Where is the image? Note that "in front of the lens" means
that the image is on the same side of the lens as the object and
"behind the lens" means that the image is on the opposite side of
the lens than the object.
How high is the image?
What if ff = - 135 mmmm? Where is the image? Note
that "in front of the lens" means that...

1.
A) 2.70-cm-high insect is 1.45 m from a 129-mm-focal-length
lens. Where is the image? Follow the sign conventions. Express your
answer to three significant figures and include the appropriate
units.
B) How high is the image? Follow the sign conventions. Express
your answer to three significant figures and include the
appropriate units.
C) What type is the image? (virtual, upright real, inverted
real, upright virtual, inverted)

A 2.63 cm high insect is 1.25 m from a 120 mm focal-length lens.
Where is the image?How high is the image?
cm What type is it?

A 3.14 cm high insect is 1.33 mm from a 135 mm focal length
lens. How high is the image?
Express your answer with the appropriate units.
A 3.14 cm high insect is 1.33 mm f = - 135 mm lens, How high is
the image?
Express your answer with the appropriate units.

A) How far from −53.0-mm-focal-length lens must an object be
placed if its image is to be magnified 2.50× and be virtual? Follow
the sign conventions.
[Hint: Consider real objects and virtual objects (formed
by some other piece of optics).]
b) How far from −53.0-mm-focal-length lens must an object be
placed if its image is to be magnified 2.50× and be real? Follow
the sign conventions.
[Hint: Consider real objects and virtual objects (formed
by some other piece of optics).]

An insect 0.80 mm tall is placed 1.0 mm beyond the focal point
of the objective lens of a compound microscope. The objective lens
has a focal length of 12 mm, the eyepiece has a focal length of 26
mm
Part A: Where is the image formed by the objective
lens? Give your answer as the distance from the image to the lens.
Express your answer in millimeters to two significant figures.
Part B: What is the magnification, including the correct...

14.1) a. How far from a converging lens of focal length f (in
mm) must an object be placed if its image is to be m × larger than
the object and be real? (answer in cm --> just variables)
HINT: For a real image what is the sign of the image distance
di?
Note that the answer will involve a unit conversion factor between
mm and cm.
b. Evaluate the above question if f = 49.1 mm and the...

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