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I was asked to compare my measured focal length to my calculated focal length. My calculated focal length I figured out by using
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2. asked by Lena
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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. 782 views
What focal-length lens would you need to place next to a converging lens of focal length 29 cm to create an effective focal
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2. asked by Jeanette
3. 558 views
determine the type and focal length of a lens that has the same power as a combination of a thin converging lens of focal length
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2. 155 views
A 1.00-cm-high object is placed 3.10 cm to the left of a converging lens of focal length 8.30 cm. A diverging lens of focal
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2. asked by Tyrone
3. 654 views
A bi-convex lens with the focal length of 25 cm and a meniscus concave lens with the focal length of 10 cm, separated from each
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2. asked by Me
3. 263 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. 700 views
Two thin lenses one with 12 cm focal length and the other with a -6.0 cm focal length are placed 18 cm apart.Locate the final
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2. asked by JN
3. 548 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 John
3. 581 views
A Simple Astronomical Telescope In Normal Adjustment Has An Objective Of Focal Length 100cm And An Eye Piece Of Focal Length 5cm
1. 1 answer
2. asked by Godwin
3. 549 views