1. It is difficult to hear sounds produced above water when you are under water. a. Find the percentage of a sound wave reflected going from above water to below water. b. Find the percentage of a sound wave transmitted into the water. c. If a person is shouting at 88 dB to someone sitting at the bottom of a pool, what sound intensity level does the person in the pool hear? Use the following data: air: p = 1.3 kg/m, c = 340 m/s; water: p = 998 kg/m, B = 2.2 x 109 Pa.