What technology powers contact tracing apps like Aarogya Setu? MCQ with Answer and Explanation

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What technology powers contact tracing apps like Aarogya Setu?

A. Only NFC

B. Bluetooth and GPS

C. LiDAR

D. Only Wi-Fi

Answer: Option B

Solution (By JKSSB Mock Tests)

Bluetooth is primarily used for proximity detection.

This question belongs to: Static General Knowledge Science and Technology

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Correct Answer: Option B

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