ध्वनि की तीव्रता की मापने � – McqOptions

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1.	ध्वनि की तीव्रता की मापने वाला यंत्र है-
A.	ऑडियोमीटर
B.	एनिमोमीटर
C.	क्रोनोमीटर
D.	ऑडियोफोन
Answer» B. एनिमोमीटर

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