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Intensity of Sound

What is the i...

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What is the intensity of sound of 10 decibel?

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Q. If the intensity of sound is doubled, by how many decibels does the sound level increase?

Q. A sound has an intensity of

3 \times 10^{- 8} W / m^{2}

. What is the sound level in dB (decibels)? (Given,

l o g 3 = 0.477

)

Q. The minimum intensity of audibility of sound is

10^{- 12}

m^{2}

. If the intensity of sound is

10^{- 9}

m^{2}

, then calculate the intensity level of this sound in decibels.

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2 \times 10^{- 8} W / m^{2}

. Its intensity level in decibels is

(l o g_{10} 2 = 0.3)

.

Q. The intensity level of the sound wave is said to be 4 decibels. If the intensity of the wave is doubled, then the intensity level of sound as expressed in decibel would be :

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