Physics
1 dB is defined as the increase in the level of loudness when the intensity of the sound increases by :
- 20%
- 25%
- 26%
- 10%
Sound
8 Likes
Answer
26%
Reason — 1 dB is defined as the increase in the level of loudness when the intensity of the sound increases by 26 %.
Answered By
4 Likes
Related Questions
By reducing the amplitude of the sound wave, its :
- pitch decreases
- loudness decreases
- loudness increases
- pitch increases
The relationship between loudness L and intensity I is given as:
- L = k log10 I
- L = k loge I
- L = k/log10 I
- none of the above
Sounds above …………… are termed as noise pollution.
- 75 dB
- 120 dB
- 100 dB
- 80 dB
Two sounds of the same loudness and same pitch produced by two different instruments differ in their
- amplitudes
- frequencies
- wave forms
- all the above