वह उपकरण जो ध्वनि तरंगो की � – McqOptions

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1.	वह उपकरण जो ध्वनि तरंगो की पहचान तथा त्रिजूरेखन के लिए उपयोग होती है क्या कहलाती
A.	इनमे से कोई नही
B.	सोनार
C.	राडार
D.	पुकर
Answer» C. राडार

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