Mathematics · Sound Waves
एक ध्वनि तरंग की आवृत्ति 50 Hz है। एक पूर्ण तरंग चक्र को पूरा करने में कितना समय लगेगा?
- 15 s
- 20.02 s✓
- 350 s
- 40.2 s
सही उत्तर देखें
0.02 s
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