Physics 10 Chapter 11 - Sound - 8

Physics 10 Chapter 11 - Sound - 8

1. Which part of a flute produces sound?

a) Air particles
b) Strings
c) Diaphragm
d) Armature

2. Upon which of the following, loudness of a sound depends on?

a) Area of vibrating body
b) Intensity of vibrating body
c) Quality of vibrating body
d) Frequency of vibrating body

3. If area of a vibrating body increases, then what will be the effect on loudness of sound waves?

a) Remains same
b) Increases
c) Always decreases
d) Decreases

4. Upon which of the following, loudness of a sound depends on?

a) Frequency of vibrating body
b) Intensity of vibrating body
c) Quality of vibrating body
d) Physical conditions of ears of listener

5. Upon which of the following, loudness of a sound depends on?

a) Quality of vibrating body
b) Intensity of vibrating body
c) Frequency of vibrating body
d) Distance from the vibrating body

6. If distance from the vibrating body increases, then what will be the effect on loudness of sound waves?

a) Increases
b) Decreases
c) Always decreases
d) Remains same

7. If distance from the vibrating body increases, then which of the following decreases?

a) Loudness
b) Pitch
c) Quality
d) Intensity

8. The loudness of a sound is most closely related to it’s................?

a) Amplitude
b) Period
c) Wavelength
d) Frequency

9. What is the characteristic of sound called which does not depend on the physical conditions of ears of listener?

a) Quality
b) Loudness
c) Pitch
d) Intensity

10. What is the characteristic of sound called by which we can distinguish between shrill and a grave sound?

a) Quality
b) Pitch
c) Intensity
d) Loudness

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