Physics, asked by rajesh55653, 7 months ago

एक ध्वनि-तरंग की आवृत्ति 1,000 Hz और तरंगदैर्घ्य
34 cm है। इस ध्वनि-तरंग को 1 km की दूरी तय करने में
कितना समय लगेगा?
[उत्तर-2.94]

Answers

Answered by nkjaitpur

2

c= आवृत्ति×तरंगदैर्ध्य

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