The magnifying power of an astronomical telescope can be increased, if we-

What is the magnifying power of an astronomical telescope when the final image of a distant object is formed at least distance of distinct vision?

How will the magnifying power of an Astronomical telescope be affected on increasing (i) the focal length and (ii) the aperture of its objective

The magnifying power of a simple microscope can be increased, if we use eye-piece of

The magnifying power of a simple microscope can be increased, if we use eye-piece of

The magnifying power of an astronomical telescope in the normal adjustment position is 20.If the length of the telescope is 105 cm in this adujustment ,find the focal lengths of the two lenses.