Question

Explain the basic differences between the construction and working of a telescope and a microscope

Answer 1

Telescope	Microscope
It is used for observing distant images of heavenly bodies such as stars and planets.	It is used for observing magnifying images of tiny objects.
The objective lens has a large focal length and large aperture	The objective lens has a small focal length and short aperture.
The eye lens used has small focal length and small aperture.	The eye lens used has moderate focal length and large aperture.
The distance between the objective lens and eye lens is adjusted to focus the object situated at infinity.	The objective and eye lens are kept at a fixed distance apart, whereas the distance of the objective lens from the object is adjusted to focus an object.