Which surface is most likely to create an echo?
a room with hard, flat walls
a room with hard, bumpy walls
a room covered in soft, wavy curtains
a room padded with soft, flat cushions
the answer is A. if a sound meets a soft surface like C or D they will be absorbed and wouldn’t bounce back. the answer would have to be either A or B. But the answer is A because the wave remains more intact when it hits a smooth surface.
Larger rooms create more resonance, which can enhance the effect even further. Any hard surface will also increase the echoes, such as glass in mirrors or windows
