Physics · Surveying
लेवलिंग (तलमापन) में, अपवर्तन (refraction) के कारण स्टाफ रीडिंग पर लागू किया जाने वाला संशोधन हमेशा होता है:
- 1गुणात्मक
- 2ऋणात्मक (Subtractive)
- 3धनात्मक (Additive)✓
- 4शून्य
सही उत्तर देखें
धनात्मक (Additive)
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