A 726.0x microscope uses a 0.37-cm-focal-length objective lens. If the tube length is 17.6 cm, what is the focal length of the eyepiece (in cm)? Assume a normal eye and that the final image is at infinity.
As final image is at infinity, so magnifying power of microscope is given as M = L/fo × D/fe

A 726.0x microscope uses a 0.37-cm-focal-length objective lens. If the tube length is 17.6 cm, what...
The microscope available in your biology lab has a converging lens (the eyepiece) with a focal length of 2.50 cm mounted on one end of a tube of adjustable length. At the other end is another converging lens (the objective) that has a focal length of 1.00 cm. When you place the sample to be examined at a distance of 1.30 cm from the objective, at what length will you need to adjust the tube of the microscope in order...
a microscope has a converging lens (the eyepiece) with
a focal length of f1=1.73cm mounted on one end of a tube of
adjustable length. at the other end is another converging lens (the
objective) that has a focal length of f2=29.04 cm. when you place a
small flea you want to examine at a distance of s1=3.36 cm from the
objective . find the overall length of the microscope needed to
view the sample (the flea) in focus with a...
A microscope has an objective lens with a focal length of 10.0 mm . A small object is placed 0.90 mm beyond the focal point of the objective lens. If an eyepiece with a focal length of 2.5 cm is used, with a final image at infinity, what will be the overall angular magnification of the object? Express your answer using two significant figures.
A compound microscope has an objective lens of focal length 10.0 mm with an eyepiece of focal length 15.5 mm , and it produces its final image at infinity. The object to be viewed is placed 2.0 mm beyond the focal point of the objective lens. a. How far from the objective lens is the first image formed? b. What is the overall magnification of this microscope?
A microscope of length L = 12.0 cm has a 33× eyepiece lens. If the objective lens has a focal length of 1.1 cm, find the overall magnification of the microscope. Assume a normal relaxed eye.
In a compound microscope, the focal length of the objective is 3.71 cm and that of the eyepiece is 6.60 cm. The distance between the lenses is 17.6 cm. (a) What is the angular magnification of the microscope if the person using it has a near point of 32.1 cm? (b) If, as normal, the first image lies just inside the focal point of the eyepiece, as in the drawing, how far is the object from the objective? (c) What...
a microscope with converging lens (eyepiece) has a
focal lenght of f1= 1.42cm mounted on one end of a tube of
adjustable lenght. the other end is another converging lens (the
objective)that has a focal lenght of f2=14.65 cm. when you place
the flea at a distance of s1=3.20cm from the objective, find the
overall lenght (cm) of the microscope needed to view the sample (a
flea) in focus with a relaxed eye.
hint(a normal relaxed eye will expect to...
A compound microscope has the objective and eyepiece mounted in a tube that is 18.8 cm long. The focal length of the eyepiece is 2.55 cm , and the near-point distance of the person using the microscope is 24.0 cm . If the person can view the image produced by the microscope with a completely relaxed eye, and the magnification is -4516, what is the distance between the objective lens and the object to be examined?
The objective lens and the eyepiece of a microscope are 16.5 cm apart. The objective lens has a magnification of 61× and the eyepiece has a magnification of 10 ×. Assume that the image of the objective lies very close to the focal point of the eyepiece. A. Calculate the overall magnification of the microscope. B.Calculate the focal length of the eyepiece. C. Calculate the focal length of the objective.
A compound microscope has an objective lens of focal length 10.3 mm with an eyepiece of focal length 15.0 mm , and it produces its final image at infinity. The object to be viewed is placed 2.0 mm beyond the focal point of the objective lens. Part A: How far from the objective lens is the first image formed? Express your answer in millimeters to three significant figures. Part B: What is the overall magnification of this microscope? Express your...