Physics · Sound
ध्वनि तरंग की आवृत्ति (frequency) को निम्नलिखित में से किस इकाई में व्यक्त किया जाता है?
- 1डेसिबल
- 2आर.पी.एम (r.p.m)
- 3हर्ट्ज़✓
- 4न्यूटन
सही उत्तर देखें
हर्ट्ज़
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