Two sound waves travel through air and reach a student at the same distance from…

PHYSICS · Subjective · CBSE · Physics · Sound · Sound

Problem

Two sound waves travel through air and reach a student at the same distance from their sources. (i) Wave P has an amplitude of

0.4\,\text{cm}

and frequency

300\,\text{Hz}

. (ii) Wave Q has an amplitude of

0.2\,\text{cm}

and frequency

600\,\text{Hz}

. Which wave will be heard louder by the student? Which wave will sound sharper in pitch? Give justification for both answers in brief.