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The focal length of objective

a compound microscope has an eyepiece of focal length 10 c.m and an objective of focal length 4c.m.the magnification of an
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2. asked by Asfand
3. 514 views
A telescope that has a 100 cm focal length objective and a 3.00 cm focal length eyepiece. Find the distance between the
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2. asked by Ashton
3. 1,091 views
A Simple Astronomical Telescope In Normal Adjustment Has An Objective Of Focal Length 100cm And An Eye Piece Of Focal Length 5cm
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2. asked by Godwin
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A Simple Astronomical Telescope In Normal Adjustment Has An Objective Of Focal Length 100cm And An Eye Piece Of Focal Length 5cm
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2. asked by Godwin John
3. 583 views
The magnification of a telescope with an objective lens focal length of 80 cm and an eyepiece focal length of 2.0 cm isO 160x
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2. 101 views
A compound microscope has a barrel whose length is 17.4 cm and an eyepiece whose focal length is 1.7 cm. The viewer has a near
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2. asked by Beth
3. 704 views
A compound microscope has an objective lens with a focal length of 1.5 cm and aneye piece of focal length 5 cm. It is focused on
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2. asked by Clandestine
3. 1,568 views
A laboratory (astronomical) telescope is used to view a scale that is 306 cm from the objective, which has a focal length of
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2. asked by Jessica
3. 450 views
The Yerkes refracting telescope has a 1 mdiameter objective lens of focal length 20 m.Assume it is used with an eyepiece of
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2. asked by Jim
3. 784 views
The distance between the lenses of an astronomical telescope in the normal adjustment is 150cm. If the focal length of the eye
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2. asked by Uchenna jecinta
3. 195 views