In an experiment, Anhad studies sound waves. He sets up a loudspeaker to produce sound as shown below: Picture Anhad adjusts the signal to the loudspeaker to give a sound of frequency 200 Hz. (a) What happens to the air in-between Anhas and the loudspeaker? (b) Explain how Anhad receives sound in both ears.

Question

Philoid · Accepted Answer

(a) When Anhad adjusts the signal to the loudspeaker to give a sound of frequency 200 Hz then the air between Anhad and the loudspeaker vibrates with the frequency of 200 Hz.

(b) Both the ear of Anhad recives the sound. His right ear recives the sound by the sound waves coming directly from the loudspeaker (through air)where as his left ear recives the sound from sound waves reflected from the wall of classroom.