mere bhai esa saavaal kyu puch raha hain?
So 0 dB does not mean no sound, it means a sound level where the sound pressure is equal to that of the reference level. This is a small pressure, but not zero. It is also possible to have negative sound levels: - 20 dB would mean a sound with pressure 10 times smaller than the reference pressure, i.e. 2 μPa. Not all sound pressures are equally loud.
Sunny definition is - marked by brilliant sunlight : full of sunshine. How to use sunny in a sentence.
dono ko jod de tera matlab mil jaayega
