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एक ध्वनि तरंग की आवृति 150Hz तथा उसकी तरंग वैधर्य 2 m है यदि किसी दूसरी तरंग की तरंगधेर्य 4 मी हो तो उसकी आवृति होगी?
Asked Sep 10, 2023
Modified Sep 10, 2023
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asked Sep 10, 2023 at 12:27
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75 Hz
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answered Sep 10, 2023 at 12:27
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