A pair of binoculars has an objective focal length of 26
Chapter 25, Problem 42(choose chapter or problem)
A pair of binoculars has an objective focal length of 26 cm. If the binoculars are focused on an object 4.0 m away (from the objective), what is the magnification? (The refers to objects at infinity; Eq. 253 holds only for objects at infinity and not for nearby ones.)
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