In an astronomical telescope , focal length of the objective is made

In an astronomical telescope, the focal length of the objective lens is 100 cm and of eye-piece is 2 cm . The magnifying power of the telescope for the normal eye is

In an astronomical telescope, the focal length of the objective lens is 100 cm and of eye-piece is 2 cm . The magnifying power of the telescope for the normal eye is

In an astronomical telescope the focal lengths of objective and eyepiece should respectively be

In an astronomical telescope , the focal length and the aperture of the objective are …… and the focal length and the aperture of the eyepiece are taken …… as compared to those of the objective [fill in the blank].