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Sahay Sir > Question Answers > MTG NEET Physics > Part 2 > Chapter 9 - Ray Optics > An astronomical telescope has an angular magnification of magnitude 5 for distant object. The separation between the objective and the eye-piece is 36 cm. The final image is formed at infinity. The focal length f0 of the objective and fe , of the eye-piece are :

An astronomical telescope has an angular magnification of magnitude 5 for distant object. The separation between the objective and the eye-piece is 36 cm. The final image is formed at infinity. The focal length f0 of the objective and fe , of the eye-piece are :

A ray of light is incident normally on one of the refracting surfaces of an equilateral prism. if the refractive index of the material of the prism is 1.5 then