Asume that the sound level of your whisper is 20 dB and is shout is 90 dB. How many times greater is the intensity of a shout than a whisper, given that the decible level of a sound wave is related to the intensity I of the wave by : dB=10log⁡"II0 d B = 10 \log{"} \frac{I}{I_{0}} Where I0 = 10-12 Wm-2.

Question

Asume that the sound level of your whisper is 20 dB and is shout is 90 dB. How many times greater is the intensity of a shout than a whisper, given that the decible level of a sound wave is related to the intensity I of the wave by :   dB=10log⁡"II0 d B = 10 \log{"} \frac{I}{I_{0}} Where I0 = 10-12 Wm-2.

Accepted Answer

ঘ. 10×106 10 × 10^{6}

পদার্থবিজ্ঞান প্রশ্ন

সম্পর্কিত প্রশ্ন