In a terrestrial telescope, the focal length of objective is 90 cm, of – McqOptions

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1.	In a terrestrial telescope, the focal length of objective is 90 cm, of inverting lens is \[5\,cm\]and of eye lens is \[6\,cm.\]If the final image is at 30 cm, then the magnification will be [DPMT 2001]
A.	21
B.	12
C.	18
D.	15
Answer» D. 15

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