Two convex thin lenses with focal lengths 10.0 cm and 20.0 cm are aligned on a common axis,...
Question:
Two convex thin lenses with focal lengths 10.0 cm and 20.0 cm are aligned on a common axis, running left to right, the 10-cm lens being on the left. A distance of 20.0 cm separates the lenses. An object is located at a distance of 15.0 cm to the left of the 10-cm lens. Where will the final image appear as measured from the 20-cm lens?
a. -13.3 cm
b. -6.67 cm
c. +6.67 cm
d. +13.3 cm
Combination of lenses:
When two thin lenses are arranged coaxially, the image formed by the first lens becomes the object for a second lens system, and the two systems act as a single optical system creating the final image from the original object.
Answer and Explanation: 1
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View this answerGiven data:
- Focal length of first convex lens {eq}{f_1} = 10.0\;{\rm{cm}} {/eq}.
- Focal length of second convex lens {eq}{f_2} =...
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