Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 32 - Ray Optics > An astronomical telescope of ten-fold angular magnification has a length of 44cm. The focal length of the objective is

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

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