R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Physics Q. Remote-sensing device has an inbuilt source of (A) g-ray (B) X-ray (C) ultraviolet ray (D) infrared ray 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) infrared ray You must be Logged in to update hint/solution 💬 Discussion 💬 Comment