लहरों जो सोनार में इस्तेमा – McqOptions

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1.	लहरों जो सोनार में इस्तेमाल किया जा रहा है ?
A.	इन्फ्रासोनिक लहरों
B.	रेडियो तरंगें
C.	अल्ट्रासोनिक तरंगों
D.	श्रव्य ध्वनि तरंगों
Answer» D. श्रव्य ध्वनि तरंगों

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