Question

T/F with explanations for better understanding

1) Two sound waves with unequal speeds are observed to have the same pitch. The distance between their rarefactions cannot be the same. Answer 2) Two sound waves with unequal sound levels are observed. The louder of the two waves is the one with the largest amplitude. Answer 3) Standing waves are created with a vibrating string that is held at both ends. Raising the pitch by one octave causes the wavelength to decrease by half Answer 4) Consider two sound waves overlapping at a point in space. They continually interfere the same way even if their frequencies are close but different. Answer 5) An observer listens to the sound of a moving siren. The observer hears sound's frequency increase then decrease as the siren approaches then travels away. Answer

Answer 1

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