What attribute of sound allows us to distinguish loud sounds from soft sounds?Multiple choice question.timbrepitchfrequencyamplitude

The loudness we hear of a sound depends on its(I)     amplitude.(II)    frequency.(III)   spectral content.Question 2Select one:A.(I) and (II) onlyB.(I) onlyC.(II) onlyD.(I), (II) and (III)E.(II) and (III) only

The perceptual quality or tone saturation of a sound is calledMultiple choice question.audition.frequency.pitch.timbre.

Which of the following properties is NOT a factor to determine the speed of sound?Aelasticity BtemperatureCfrequencyDdensity

Which wave property determines a) loudness, b) Pitch?Q12. Why are the ceilings of concert halls curved?Q13. How is ultrasound used for cleaning?Q14. Sound is produced due to a vibratory motion, then why a vibrating pendulum doesnot produce sound?Q15. A sound produces 20 crests and 20 troughs in 0.4 sec. Find the frequency of the wave.Q16. Why sound waves are called mechanical waves?

What is loudness of a sound ?