कौन-सी तरंगे शून्य में संच� – McqOptions

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1.	कौन-सी तरंगे शून्य में संचरण नहीं कर सकती -
A.	ध्वनि
B.	ऊष्मा
C.	प्रकाश
D.	इलेक्ट्रोमैग्नेटिक
Answer» B. ऊष्मा

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