Computer · Surveying - Compass Surveying
किसी विशेष स्थान पर चुंबकीय याम्योत्तर (magnetic meridian) की दिशा:
- 1समय के साथ नहीं बदलती है
- 2समय के साथ बदलती रहती है✓
- 3हमेशा वास्तविक याम्योत्तर के बराबर होती है
- 4हमेशा शून्य होती है
सही उत्तर देखें
समय के साथ बदलती रहती है
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