संक्षिप्त नाम 'LED' का पूर्ण रूप क्या है?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?

Answer 1

लाइट एमिटिंग डॉल (Light Emitting Doll)

Answer 2

लाइट एमिटिंग डायनेमो (Light Emitting Dynamo)

Answer 3

लाइट एमिटिंग ड्रम (Light Emitting Drum)

Answer 4

लाइट एमिटिंग डायोड (Light Emitting Diode)

संक्षिप्त नाम 'LED' का पूर्ण रूप क्या है?

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संक्षिप्त नाम 'LED' का पूर्ण रूप क्या है?

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