The length of a simple astronomical telescope is equal to :(a) Differe – InterviewSolution

InterviewSolution

1.	The length of a simple astronomical telescope is equal to :(a) Difference between focal length of two lenses(b) Half of the sum of focal distances(c) Sum of the focal distances(d) Multiplication of the focal distances
Answer» (c) Sum of the focal distances Length of a simple astronomical telescope L = f₀ + f_e

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