What is the eye ring of a telescope or microscope ?
Consider the following statements about a microscope and a telescope 1. Both the eyepiece and the objective of a microscope are convex lenses. 2. The focal length of the objective of a telescope is lerger than the focal length of its eyepiece. 3. The magnification of a telescope increases with the increases in focal length of its objective. 4. The magnification of a microscope increases with the increases in focal length of its objective. Which of the statements given above are correct?
Resolving power of a telescope can be increased by
How can we increase the resolving power of a microscope ?
Explain how concave lenses are used in the following devices. Camera, telescopes and microscopes
How can you colculate the magnifiction of a microscope ?
Simple microscope and Astronomical refracting telescope .
In which, microscope or telescope, the difference in the focal lengths of the two lenses is larger ?