Question 1 Define the term reverberation? Question 2 What is a megaphone.Name the principle on which a megaphone work? Question 3 What is a stethoscope.Name the principle on which a stethoscope work? Question 4 What is a soundboard.Name the principle on which a soundboard work? Question 5 Why are the ceiling of concert halls made curved? Question 6 How can we … [Read more...] about Reverberation