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Krishna Sharma • 47.06K Points
Coach Physics

Q. 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?

(A) 300 Hz
(B) 18.72 Hz
(C) 37.5 Hz
(D) 75 Hz
Correct Answer - Option (D)

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