Physics · Electromagnetic Waves
करेंसी नोटों में जालसाजी या नकली नोटों का पता लगाने के लिए निम्नलिखित में से किस विद्युत चुंबकीय तरंग का व्यापक रूप से उपयोग किया जाता है?
- 1सूक्ष्म तरंगें (Microwaves)
- 2रेडियो तरंगें (Radio waves)
- 3अवरक्त तरंगें (Infrared waves)
- 4पराबैंगनी तरंगें (Ultraviolet waves)✓
सही उत्तर देखें
पराबैंगनी तरंगें (Ultraviolet waves)
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