Mantu Yadav

जब दो लोग आपस में बात करते हैं तो कितने डेसिबल ध्वनि उतपन्न होती है

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Mantu Yadav, 8 महीने पहले ago

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Science

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5 Answers

Victar kumar

30

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Victar kumar, 7 months ago

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2

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Asis

30 dev

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Asis , 8 months ago

Expert Level

1

1 0
Sonalika sharma

40

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Sonalika sharma, 8 months ago

Expert Level

1

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Ram

30 se 40 db

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Ram , 8 months ago

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1

2 0
Devi Singh

45

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Devi Singh, 8 months ago

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1

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