Question: The lenses used in a compound microscope have powers of
The lenses used in a compound microscope have powers of + 100 D and + 50 D. If a total magnification of is desired, what should be the distance between the two lenses?
Answer to relevant QuestionsTwo lenses of focal length 0.45 cm and 0.35 cm are available for a compound microscope using an eyepiece of focal length of 3.0 cm, and the distance between the lenses has to be 15 cm. (a) Which lens should be used as the ...Find the magnification and length of a telescope whose objective has a focal length of 50 cm and whose eyepiece has a focal length of 2.0 cm. An astronomical telescope uses an objective of power +2.00 D. If the length of the telescope is 52 cm, (a) What is the focal length of the eyepiece? (b) What is the angular magnification of the telescope? A human eye views small objects of different colors, and the eye's resolution is measured. (a) The eye sees the finest details for objects of which color: (1) red, (2) yellow, (3) blue, or (4) any color? Explain. (b) The ...A person can just see the print in a book clearly when she holds the book no closer than at arm’s length (0.45 m from the eyes). (a) Does she have (1) nearsightedness, (2) farsightedness, or (3) astigmatism? Explain. (b) ...
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