Experts please solve no 49 Chapter name WAVE MOTION AND SOUND - Science - Sound

Question

Experts please solve no 49
Chapter name WAVE MOTION AND SOUND

Sejal Gupta · Accepted Answer

Dear Student,
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_6169a75b917b0%20jpg"
style="width: 712px; height: 1023px;">
Regards