need help please
a microscope with a converging lens the eye part has a focal lenght
f2=1.42cm . at the other end is another converging lens the
objective that has a focal lenght of f1=14.65cm. when you place a
bug you want to examine at a distance of s1=3.20cm from the
objective. what is the overall lenght of the microscope to view the
bug with a relaxed a eye.
hint: a normal eye will expect to find an image at infinity. the L
of the microscope here is the distance between the eye part and the
objective.
may I have it in cm and in two decimal places please
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need help please
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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 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...
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lenght f1=40 cm. On the other side of the lens, there is a
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lens by a distance of 36.9 cm.
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