Which of the following changes will most likely reduce the clarity of an echo in a large room?

Question

Which of the following changes will most likely reduce the clarity of an echo in a large room? — Exam MCQ

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B. Adding thick curtains to the walls — The correct choice is Adding thick curtains to the walls. Sound behaviour is determined by wave properties such as frequency, amplitude, wavelength and the medium of propagation.

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A. Making the room larger

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C. Painting the walls a light colour

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D. Installing smooth ceramic tiles

Which of the following changes will most likely reduce the clarity of an echo in a large room?

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