Physics · Remote Sensing
निम्नलिखित में से कौन-से व्यापक रूप से उपयोग किए जाने वाले सक्रिय सुदूर संवेदन (active remote sensing) तंत्र हैं? (A) राडार (RADAR) (B) लिडार (LIDAR) (C) सोनार (SONAR)
- 1केवल A और B
- 2A, B और C✓
- 3केवल A और C
- 4केवल B और C
सही उत्तर देखें
A, B और C
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