What is meant by the reflection of sound waves?

Question

TextReflection of Sound WavesLaws of Reflection of Sound

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What is an echo? Under what conditions can it be heard?

Explain how 'echo' is produced.

Frequency and Time Period of Sound Wave

Relationship Between Wavelength, Frequency and Speed

Speed of Sound in Different Media

Reflection of Sound Waves

Echo and Its Formation

What should be the minimum distance between the listener and the reflector to hear an echo of sound propagating with a speed v m s⁻¹?

Does the speed of sound increase or decrease on a hotter day? Justify.

Establish the relationship between speed of sound, its wavelength and frequency. If speed of sound in air is 340 m s⁻¹, calculate.

For hearing the loudest ticking sound heard by the ear, find the angle x in the Fig.12.4.