An astronomical telescope has magnifying power 10 and length 44 cm in normal adjustment. Find focal length of objective and eye-lens.

An astronomical telescope of ten fold angular magnification has a length of 44 cm.The focal length of the objective is

What is the magnifying power of an astronomical telescope in normal adjustment? What is its length?

An astronomical refractive telescope has an objective of focal length 20 m and an eyepiece of focal length 2 cm.

An astronomical telescope uses two lenses of power 10 D and 1 D.What is its magnifying power in normal adustment?

The magnifying power an astronomical telescope in the normal adjustment position is 100. The distance between the objective and the eyepiece is 101 cm. calculate the focal length of the objective and the eyepiece.

An astronomical telescope,when in normal adjustment has magnifying power 5.If the distance between two lenses is 24 cm,find the focal length of both the lenses.

An astronomical telescope has an objective lens of focal length 20 m and eyepiece of focal length 1 cm. Find the angular magnification of the telescope.

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.

A small telescope has an objective lens of focal length 140 cm and an eyepiece of focal length 5.0 cm. what is the separation between the objective lens and the eyepiece?

An astronoical telescope consists of two thin lenses set 36 cm apart and has a magnifying power 8.Calculate the focal length of the lenses.