Q 9.29 (a) For the telescope described in Exercise 9.28 (a), what is the separation between the objective lens and the eyepiece?
focal length of the objective lens = = 140cm
focal length of the eyepiece lens = = 5 cm
The separation between the objective lens and eyepiece lens is given by:
Hence, under normal adjustment separation between two lenses of the telescope is 145 cm.
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