Physics · Wave and Sound

Under what condition is the diffraction of sound waves most prominent in daily life?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1When the frequency of sound is in the ultrasonic range
2When the velocity of the source exceeds the speed of sound
3When the wavelength of sound is comparable to the size of the obstacle (around 1 meter)✓
4When sound travels through a perfectly uniform vacuum

Correct answer

When the wavelength of sound is comparable to the size of the obstacle (around 1 meter)

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