The phenomenon of multiple echoes due to repeated reflections is called ___________.

The Correct answer is reverberation.

Key Points

• Reverberation is the phenomenon of multiple echoes due to repeated reflections.
• It occurs when sound waves reflect off surfaces such as walls, ceilings, and floors.
• This is commonly experienced in large, enclosed spaces like auditoriums, halls, and churches.
• Reverberation can enhance the quality of sound, making it fuller and richer.
• However, excessive reverberation can cause sound to become muddled and unclear.
• Architects and engineers often design spaces with materials that control reverberation to optimize sound quality.
• Measurement of reverberation time is crucial in acoustical engineering to ensure the desired sound characteristics of a space.

 Additional Information

• Resonance
  • Resonance is the phenomenon where an object or system vibrates at an increased amplitude at specific frequencies.
  • This occurs when the frequency of external vibrations matches an object's natural frequency.
  • Resonance is important in various applications, including musical instruments and engineering designs.
• Refraction
  • Refraction is the bending of light or sound waves when they pass from one medium to another.
  • This change in direction is due to a change in the speed of waves in different media.
  • Refraction is commonly observed in phenomena like the bending of light in water.
• Diffraction
  • Diffraction is the bending and spreading of waves around obstacles and through openings.
  • It is most noticeable when the wavelength is comparable to the size of the obstacle or opening.
  • Diffraction is important in applications such as sound wave propagation and the design of optical instruments.