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If the intensity of sound is doubled, by how many decibels does the sound level increase? (in dB)


Question ID - 153918 :-

If the intensity of sound is doubled, by how many decibels does the sound level increase? (in dB)

1 Answer
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Answer Key : (3) -

(3)

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A glass tube of 1.0 m length is filled with water. The water can be drained out slowly at the bottom of the tube. A vibrating tuning fork of frequency 500 Hz is brought at the upper end of the tube and the velocity of sound is . Find the number of resonances that can be obtained


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