GATE 2026 MN – Question 20

Mining Geology, Mine Development and Surveying · Mine Surveying · 1 mark · Multiple choice

1. Visible < Near infrared < Thermal infrared < Microwave
2. Thermal infrared < Near infrared < Visible < Microwave
3. Microwave < Near infrared < Thermal infrared < Visible
4. Near infrared < Thermal infrared < Microwave < Visible

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