Physics · Electromagnetic Waves and Communication
संपर्क रहित भुगतान (contactless payments) के लिए मुख्य रूप से निम्नलिखित में से किस शॉर्ट-रेंज वायरलेस तकनीक का उपयोग किया जाता है?
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नियर फील्ड कम्युनिकेशन (NFC)
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