General Science manushyon Ke Liye Shor Ki Sahan Seema Karib - Karib Hoti Hai ?

मनुष्यों के लिये शोर की सहन सीमा करीब - करीब होती है ? - What is the tolerance limit of noise for humans? - manushyon Ke Liye Shor Ki Sahan Seema Karib - Karib Hoti Hai ? General Science in hindi,  Physics 85 Decible question answers in hindi pdf  125 Decible questions in hindi, Know About 45 Decible General Science online test General Science notes in hindi quiz book    155 Decible