Mathematics · Waves and Sound
एक ध्वनि तरंग की आवृत्ति 440 Hz है। इसका आवर्तकाल क्या है?
- 10.004 s
- 20.0025 s
- 30.002 s
- 40.00227 s✓
सही उत्तर देखें
0.00227 s
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