The intensity level of an orchestra is 89 db. a single violin achieves a level of 66 db. how does the intensity of the sound of the full orchestra compare with that of the violin’s sound? in other words, find the ratio.

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.