connorhanratty5244 connorhanratty5244

15-03-2024
Physics

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An astronomical refractive telescope has an objective of focal length 20 m and an eyepiece of focal length 2 cm. then
A. the image formed is inverted
B. the magnification is 1000
C. the length of the telescope tube is 20.02 m
D. all of these

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