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Krishna Sharma • 46.84K Points
Coach Science
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Q. ध्वनि तरंगें हैं ?

(A) लम्बवत्
(B) तिर्यक (तिरछी
(C) आंशिक लम्बवत्, आंशिक तिर्यक
(D) कभी-कभी लम्बवत्, कभी-कभी तिर्यक
Correct Answer - Option (A)

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