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