The sound from a very high burst of fireworks takes 5 s to arrive at the observer. The burst occur 1662 m above the observer and travels vertically through two stratifier layers The sound from a very high burst of fireworks takes 5 s to arrive at the observer. The burst occur 1662 m above the observer and travels vertically through two stratifier layers November 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related