A sound consists of four frequencies : 300 Hz, 600 Hz. 1200 Hz and 2400 Hz. A sound ‘filter’ is made by passing this sound through a bifurcate pipe as shown . The sound wave 600 Hz. 1200 Hz and 2400 Hz. A sound 'filter' is made by passing this sound through a bifurcate pipe as shown . The sound wave A sound consists of four frequencies : 300 Hz November 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related