A reflecting type telescope has a large concave spherical mirror of radius of curvature `80 cm` as objective. What is the magnifying power of telescope if eye piece used has a focal length of `1.6 cm` ?

A reflecting type telescope has a large spherical mirror for its objective with radus of curvature equal to 80 cm.What is the magnifying power of telescope,if eyepiece used has a focal length of 1.6 cm.

(a) List some advantanges of a reflecting telescope, especially for high resolution astronomy. (b) A reflecting type telescope has a large mirror for its objective with radius of curvature equal to 80 cm . What is the magnifying power of telescope if eye piece used has a focal length of 1.6 cm ?

A reflecting telescope has a large mirror for its objective with radius of curvature equal to 80 cm . What is the magnifying power of the telescope, if the eyepiece used has a focal length of 1.6 cm ?

A reflecting type telescope has a concave reflector of radius of curvature 120 cm . Calculate focal length of eye piece to secure a magnification of 20 .

A reflecting type telescope has a concave reflector of radius of curvature 120 cm. Calculate focal length of eye piece to secure a magnification of 20.

A reflecting type telescope has a concave reflector of radius of curvature 120 cm . Calculate the focal length of eye piece tom secure a magnification of 15 .

A reflecting type telescope has a concave reflector of radius of curvature 120 cm.Calculate the focal length of eye-piece to secure a magnification of 20.

A reflecting type telescope has a concave reflector radius of curvature 120 cm. Calculate the focal length of eyepiece to secure a magnification of 20 .

A small telescope has an objective lens of focal length 144 cm and eye piece of focal length 6.0 cm. What is the magnifying power of the telescope ?