Asound wave of frequency 240 hz is measured to have intensity level 95.0 db. if the speed of sound is 343 m/s and the density of the air is 1.25 kg/m2, what is the displacement amplitude of this sound wave? (a) 1.61 x 10m (b) 2.02 x 10 m (e) 4.04 x 10 m (c) 2.55 x 106 m (d) 3.21 x 10 m