Definition of Ocular Lens
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The objective of a telescope has a focal length of 50cm and the focal length of the ocular is 2cm. What is the angular magnification of the telescope? Using the ray diagram in figure 4, derive the appropriate expression.
If a single lens forms a virtual image, we can conclude that
A) The lens could be either a diverging or a converging lens.
B) The lens must be a diverging lens.
C) The lens must be a converging lens.
D) The image must be inverted.
what is the focal length of this lens?
Ā
Ques:
An object is located 26.0 cm from a certain lens. The lens forms a real image that is twice as high as the object. What is the focal length of this lens? Now replace the lens used in Part A with another lens. The new lens is a diverging lens whose focal points are at the same distance from the lens as the focal points of the first lens. If the object is 5.00 cm high, what is the height of the image formed by the new lens? The object is still located 26.0 cm from the lens.
