दीर्घ रेडियों तरंगे पृथ्व� – McqOptions

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1.	दीर्घ रेडियों तरंगे पृथ्वी की किस सतह से परावर्तित होती है -
A.	क्षोभ सीमा
B.	आयनमंडल
C.	समतापमंडल
D.	क्षोभमंडल
Answer» C. समतापमंडल

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