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Define a Micr...

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Define a Microscope.

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Solution

Microscopes are instruments that are used in science laboratories, to visualize very minute objects such as cells, microorganisms, giving a contrasting image,that is magnified

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Q. Define the magnifying power of a compound microscope when the final image is formed at infinity. Why must both the objective and the eyepiece of a compound microscope have short focal lengths? Explain.

Q. (a) Draw a ray diagram for the formation of image by a compound microscope.
(b) You are given the following three lenses. Which two lenses will you use as an eyepiece and as an objective to constuct a compound microscope?

\begin{matrix} Lenses & Power (D) & Aperture(cm) L_{1} & 3 & 8 L_{2} & 6 & 1 L_{3} & 10 & 1 \end{matrix}

(c) Define resolving power of a microscope and write one factor on which it depends.

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