Physics · Metrology
किसी सतह की सीधेपन (straightness) के परीक्षण के लिए आमतौर पर निम्नलिखित में से किस उपकरण या विधि का उपयोग नहीं किया जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1बीम कम्पेरेटर विधि (Beam comparator method)✓
- 2लेजर इंटरफेरोमीटर विधि (Laser interferometer method)
- 3ऑटोकोलीमेटर विधि (Autocollimator method)
- 4स्पिरिट लेवल विधि (Spirit level method)
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बीम कम्पेरेटर विधि (Beam comparator method)
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