ध्वनि की तीव्रता को मापने वाला यंत्र है –

🎲 Try a Random Question  |  Total Questions in Quiz: 75  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
MPPSC Previous Year Question Paper: General Studies GS Paper-1 1990 — practice the complete quiz, review flashcards, or try a random question.


ध्वनि की तीव्रता को मापने वाला यंत्र है –






ADVERTISEMENT