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7 Active Technology Solutions Pvt.Ltd. is an educational 3D digital content provider for K-12. We also customise the content as per your requirement for companies platform providers colleges etc . 7 Active driving force "The Joy of Happy Learning" -- is what makes difference from other digital content providers. We consider Student needs, Lecturer needs and College needs in designing the 3D & 2D Animated Video Lectures. We are carrying a huge 3D Digital Library ready to use.
Compound Microscope: Description: It consists of two converging lenses. The lens near the object is called objective and the lens near the eye is called eyepiece. The lenses are fitted at the end of a metal tube. The distance of the object from the objective can be adjusted by means of a rock and pinion arrangement.
Works: The object OJ to be magnified is placed just outside the principal focus of the objective so that its real image is formed on the other side of objective.The image forms beyond 2f0 where fo is the focal length of the objective.The image due to the objective acts as the object for the eye piece. The position of the eyepiece is so adjusted to form the final image at the near point. The final image is virtual, inverted and magnified.
![](https://i.ytimg.com/vi/iNnX_mJHKl0/maxresdefault.jpg)