Question:

A sound wave with a power of 8 8 x 10 4 W leaves a speaker

Last updated: 4/26/2023

A sound wave with a power of 8 8 x 10 4 W leaves a speaker

A sound wave with a power of 8 8 x 10 4 W leaves a speaker and passes through section A which has an area of 5 0 m 2 What is the intensity of sound in this area Intensity 1 Power Area O 1 8 x 10 4 W m 2 O 1 8 x 10 6 W m 2 O 1 6 x 10 4 W m 2 O 1 6 x 10 6 W m 2 If the amplitude of a wave increases by a factor of 4 how is the intensity changed Oit increases by a factor of 4 Oit increases by a factor of 16 Oit decreases by a factor of 4 Oit decreases by a factor of 16