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Quantum sensors exploit quantum ________ to achieve unprecedented precision in measuring gravity, magnetic fields, and time.
- Entanglement
- Superposition
- Interference
- All of these
Answer: All of these
Quantum metrology uses entangled states, superposition, interference to surpass classical limits. Applications: mineral exploration (gravimetry), brain imaging (magnetometry), navigation (atomic clocks). India's quantum mission prioritizes sensor development. [[DST Reports]]