विद्युत चुम्बकीय तरंग कौन – McqOptions

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1.	विद्युत चुम्बकीय तरंग कौन सा है?
A.	माइक्रोवेव
B.	ध्वनि की तरंग
C.	रेडियो और ध्वनि दोनों
D.	रेडियो तरंगें
Answer» D. रेडियो तरंगें

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