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(D) compound microscope is an optical instrument used to see magnified images of tiny objects.It consists of two convex lenses: the objective lens and

Vedclass · Accepted Answer

Convex lens of small focal length and small aperture

Vedclass · Answer

(D) compound microscope is an optical instrument used to see magnified images of tiny objects.It consists of two convex lenses: the objective lens and the eyepiece.The objective lens is placed near the object.To obtain a high magnification and high resolution,the objective lens must have a small focal length $(f_o)$ and a small aperture.$A$ small focal length allows the lens to be placed close to the object,and a small aperture helps in reducing spherical and chromatic aberrations while maintaining high resolving power.Therefore,the correct option is $D$.

The objective of a compound microscope is essentially

Similar Questions

Magnification of a compound microscope is $30$. The focal length of the eyepiece is $5 \, cm$ and the image is formed at the near point (distance of distinct vision) of $25 \, cm$. The magnification of the objective lens is:

The least distance of distinct vision is $25 \ cm$. Find the magnifying power of a simple microscope of focal length $5 \ cm$ if the final image is formed at the least distance of distinct vision.

In a simple microscope,if the final image is located at infinity,then its magnifying power is:

The magnification of a compound microscope is $30$. The focal length of the eyepiece is $5 \ cm$ and the image is formed at the near point (distance of distinct vision) of $25 \ cm$. The magnification of the objective lens is:

In which of the following is the final image erect?

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