Question:
Which of the statement is incorrect about the simple microscope?
Which of the statement is incorrect about the simple microscope?
Updated On: Jun 20, 2022
- Magnification of microscope is inversely proportional to the least distance of distinct vision
- A convex lens of microscope with shorter focal length yields higher magnification
- Biology students use to see the slides
- It is not used for magnification of an object at far away from the observer
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The Correct Option is A
Solution and Explanation
A simple microscope is a convex lens of short focal length which is fixed in a frame provided with handle. It is used by biology students to see the slides placed near by the objective lens and when final image is formed at least distance of distinct vision, magnification,
$M=1+\frac{D}{f}$
$M=1+\frac{D}{f}$
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Concepts Used:
Optical instruments
A device that processes light waves (or photons), either to enhance an image for viewing or to analyze and determine its characteristic properties is called an optical instrument (or "optic" for short).
Applications of Optical Instruments:
- Microscope - It is one of the most extensively used optical instruments comprised of only one lens or combination of the lenses for magnifying and inspecting bodies that are too small to be seen in detail by clear eyes. Earlier microscopes had only one lens, and are, therefore, called simple microscopes, but the present microscopes are accessible with at least two lenses and thereby, termed a compound microscope.
- Telescope - It is another remarkable optical instrument. It makes distant objects emerge nearer by using an arrangement of lenses or lenses and curved mirrors that is used to observe the objects by absorption, emission, and reflection of their electromagnetic radiation to furnish a magnified image. As they are used to view objects that are far away, they include at least two lenses.