An astronomical telescope has a magnifying power of `10`. In normal adjustment, distance between the objective and eye piece is `22 cm` calculate focal length of objective lens.

An astronomical telescope has a magnifying power of 10 . In normal adjustment, distance between the objective and eye piece is 22 cm . The focal length of objective lens is.

The magnifying power of an astronomical telescope in the normal adjustment position is 100 . The distance between the objective and eye piece is 101 cm . Calculate the focal lengths of objective and eye piece.

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.

The magnifying power of an astronomical telescope is 5 . When it is set for normal adjustment, the distance between the two lenses is 24 cm . Calculate the focal lengths of eye piece and objective lens.

The magnifying power of an astronomical telescope for relaxed vision is 16. On adjusting, the distance between the objective and eye lens is 34 cm . Then the focal length of objective and eye lens will be respectively

An astronomical telescope is set for normal adjustment and the distance between its objective and eye piece is 1.05 cm. The magnifying power of the telescope is 20. What is the focal length of the objective ?