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A telescope is rotatable about the same vertical axis as the turn...

ECAT Engineering Exams Quizzes MCQs Quizzes ECAT Engineering Entry Test 2017 Physics Optical Instruments 3

Question:
A telescope is rotatable about the same vertical axis as the turntable, with a scale which is

Option A):
None of these
Option B):
Vernier scale
Option C):
Half degree scale
Option D):
Main scale

Correct Answer is Option B):
Vernier scale

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