Audible Frequency Range, General Science Lecture | Sabaq.pk

[@NadeemShaizad]

Your lecture is very good and students can understand ❤

[@najeebsultan8249]

Sir jis traaaa 20khtz sy ziada ki sound human ear nai detect kr sakta Que k os ki frequency bht ziada hotiii h aur wo bht bareek (باریک) hotiii h Tou phr kia 20 htz sy Kam frequency ki sound bht moti( موٹی) hoti h ya phr kis wajaaaa sy detect nai hotiiii?

[@liaquathussainofficial5991]

thanks

[@NadeemShaizad]

Thanks ❤❤❤...