General Studies · Metrology and Inspection
Which one of the following optical instruments combines the functions of both a collimator and a telescope to measure small angles with a high degree of precision?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Protractor
- 2Sine Bar
- 3Autocollimator✓
- 4Spirit Level
Correct answer
Autocollimator
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