General Science Dhwani Ki Tivrata Ko Mapne Wala Yantra Hai ?

Q.10105: ध्वनि की तीव्रता को मापने वाला यंत्र है ?
A
B
C
D
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ध्वनि की तीव्रता को मापने वाला यंत्र है ? - What is the instrument which measures intensity of the sound? - Dhwani Ki Tivrata Ko Mapne Wala Yantra Hai ? General Science in hindi,   Animometer question answers in hindi pdf  audiophone questions in hindi, Know About Kronometer General Science online test General Science notes in hindi quiz book    audiometer

By Anonymous

Option 4 is wrong answer


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