How many times louder is the intensity of
sound at a rock concert in comparison with
that of a whisper, if the two intensity levels
are 130 dB and 2 dB, respectively?

Explanation:

Given

Intensity level of rock concert

Intensity level of Whisper

Intensity of sound is given by

where

and difference in the intensity of the two sounds is

and

Thus intensity of Rock concert is   times louder than that of a whisper

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d

wavelength divides in half and speed stays the same.