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Sahay Sir > Question Answers > NCERT Exemplar Class 12 > Physics > Chapter 9 - Ray Optics and Optical Instruments > (a) For the telescope described what is the separation between the objective lens and eye piece ? (b) If this telescope is used to view a 100m tall tower 3km away, what is the height of the image of the tower formed by the objective lens ? (c ) What is the height of the final image of the tower if it is formed at 25 cm` ?

(a) For the telescope described what is the separation between the objective lens and eye piece ? (b) If this telescope is used to view a 100m tall tower 3km away, what is the height of the image of the tower formed by the objective lens ? (c ) What is the height of the final image of the tower if it is formed at 25 cm` ?

(a) For the telescope described what is the separation between the objective lens and eye piece ? (b) If this telescope is used to view a 100m tall tower 3km away what is the height of the image of the tower formed by the objective lens ? (c ) What is the height of the final image of the tower if it is formed at 25 cm` ?