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Read the paragraph and answer the questi...

Read the paragraph and answer the questions given below it:
Construction of a compound microscope :
(1) A compound microscope consists of a metal tube fitted with two convex lenses at the two ends. These lenses are called the objective lens (the lens directed towards the object) and the eyepiece (the lens directed toward the eye). Both thhe lenses are small in size, but the cross section of the objective lens is less than that of the eyepiece. The objective lens has a short focal length. The focal length of the eyepiece is more than that of the objective lens.
(2) The metal tube is mounted on a stand. The principle axes of the objective lens and the eyepiece are along the same line. The distance between the object and the objective lens can be changed with a screw. It is possible to change the distance between the objective lens and the eyepiece.
Working :
(1) The object to be observed is illuminated and placed in front of the objective lens, slightly beyond the focal length of hte objective lens. Its real, invertes and enlarged image is formed by the objective lens on the other side.
(2) This intermediate image lies within the focal length of the eyepiece. It serves as an object for the oyepiece. The oyepiece works as a simple micrroscope. The final image is virtual, highly enlarged and inverted with respect to the original object. It can be formed at the minimum distance of distinict vision from the eyepiece. The final image is observed by keeping the oye close to the eyepice.
Use: This microscope is uded to observe blood cells, microorganisms, sec.
In a compound microscope, which lens which lens has greater focal length?

Text Solution

AI Generated Solution

To answer the question "In a compound microscope, which lens has greater focal length?" we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Lenses in a Compound Microscope**: A compound microscope consists of two main lenses: the objective lens and the eyepiece. 2. **Understand the Focal Lengths of the Lenses**: ...
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