d, e, & f please

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d, e, & f please
2 Telescope
One telescope design is to use a converging lens as the "objective" with focal length f₁ = 2m and a diverging lens
as the "eye piece" with focal length f2= -0.2m.
L
Lens 1
Objective
D
Lens 2
h
h
Eyepiece
the spacing between the lenses is D = 1.5m and the object is L= 100m from the objective lens.
a. Draw a ray tracing diagram of this setup. You may want
lens will be a bit difficult as the image from the first wi
traveling from left to right. Rays coming in parallel to the
are deflected away from the focus of the second lens. The
use the telescope to look at a galaxy we wouldn't expect the image inside our telescope to be the height of a
galaxy.)
draw it carefully with a ruler. (Hint: The second
be to its right. Remember the light is actually
xis like they were going to the intermediate image
al image may be small, that's OK, after all if we
b. Is the final image upright or inverted?
c. Is the final image real or virtual?
d. Find the location of the image crated by the objective lens. Give your answer relative the the objective lens.
(i.e. find simg)
e.The image of the object lens will become the object of the eyepiece. How far is the image of the objective
lines form the eyepiece? Give the value as negative number since it is on the "wrong side" of the lens.
f. Find the location of the final image (relative to the eyepiece). Note that a negative answer means that it is
to the left of the eyepiece.
Transcribed Image Text:2 Telescope One telescope design is to use a converging lens as the "objective" with focal length f₁ = 2m and a diverging lens as the "eye piece" with focal length f2= -0.2m. L Lens 1 Objective D Lens 2 h h Eyepiece the spacing between the lenses is D = 1.5m and the object is L= 100m from the objective lens. a. Draw a ray tracing diagram of this setup. You may want lens will be a bit difficult as the image from the first wi traveling from left to right. Rays coming in parallel to the are deflected away from the focus of the second lens. The use the telescope to look at a galaxy we wouldn't expect the image inside our telescope to be the height of a galaxy.) draw it carefully with a ruler. (Hint: The second be to its right. Remember the light is actually xis like they were going to the intermediate image al image may be small, that's OK, after all if we b. Is the final image upright or inverted? c. Is the final image real or virtual? d. Find the location of the image crated by the objective lens. Give your answer relative the the objective lens. (i.e. find simg) e.The image of the object lens will become the object of the eyepiece. How far is the image of the objective lines form the eyepiece? Give the value as negative number since it is on the "wrong side" of the lens. f. Find the location of the final image (relative to the eyepiece). Note that a negative answer means that it is to the left of the eyepiece.
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