A reflecting telescope utilizes

The objective of reflecting telescope is

Assertion : A reflecting type telescope is preferred over refracting type in astronomy. Reason : Reflecting type telescope is free from chromatic aberration and parabolic surfaces are used to avoid spherical aberration.

Describe a reflecting telescope. Give its merits and demerits.

Where is the largest reflecting telescope in world ? Mention the diameter of reflector.

(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 ?

To avoid spherical aberration, quality reflecting telescopes use mirrors whose cross-sectional shapes are

To avoid spherical aberration, quality reflecting telescopes use mirrors whose cross-sectional shapes are

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 ?