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Interferometers are used for
measuring flatness
determining the length of slip gauge
and (b)
none of these
and (b)
Quick Summary: Practice and solve "Interferometers are used for..." for Electrical - Measurement & Instrumentation. The correct answer is Option C: and (b). Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(c) **