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Which of the following telescope is used in surveying?
External focusing telescope
Internal focusing telescope
Both A and B
None of the above
Both A and B
Practice and solve "Which of the following telescope is used in surveying?..." for Civil - Surveying · The correct answer is Option C: Both A and B · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Option **(c) **