Physics · Security Features of Currency Notes
निम्नलिखित में से कौन सा भारतीय बैंक नोटों पर सुरक्षा उपाय के रूप में उपयोग नहीं किया जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1बायोमेट्रिक स्कैन (Biometric scan)✓
- 2सुरक्षा धागा (Security Thread)
- 3अंतर्निहित छवि (Latent Image)
- 4वॉटरमार्क (Watermark)
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बायोमेट्रिक स्कैन (Biometric scan)
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