(c) A man Frequency of a sound is directly proportional to its pitch and inversely proportional to its amplitude. The voice of an adult man is of lower pitch and high amplitude in comparison to the voices of a baby boy, a baby girl and a woman. The voice of a baby girl has highest pitch among this gRead more
(c) A man
Frequency of a sound is directly proportional to its pitch and inversely proportional to its amplitude. The voice of an adult man is of lower pitch and high amplitude in comparison to the voices of a baby boy, a baby girl and a woman. The voice of a baby girl has highest pitch among this group.
Fill in the blank: Shrillness of a sound is determined by the …………….. of vibration.
Shrillness of a sound is determined by the frequency of vibration. https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
Shrillness of a sound is determined by the frequency of vibration.
https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
See lessFill in the blank: Unwanted sound is called ……………………. .
Unwanted sound is called noise. https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
Unwanted sound is called noise.
https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
See lessFill in the blank: The unit of frequency is …………………….. .
The unit of frequency is hertz (Hz). https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
The unit of frequency is hertz (Hz).
https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
See lessLoudness is determined by the ……………………. of vibration.
Loudness is determined by the amplitude of vibration. https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
Loudness is determined by the amplitude of vibration.
https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
See lessTime taken by an object to complete one oscillation is called ………………. .
Time taken by an object to complete one oscillation is called time period. https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
Time taken by an object to complete one oscillation is called time period.
https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
See lessWhich of the following voices is likely to have minimum frequency?
(c) A man Frequency of a sound is directly proportional to its pitch and inversely proportional to its amplitude. The voice of an adult man is of lower pitch and high amplitude in comparison to the voices of a baby boy, a baby girl and a woman. The voice of a baby girl has highest pitch among this gRead more
(c) A man
Frequency of a sound is directly proportional to its pitch and inversely proportional to its amplitude. The voice of an adult man is of lower pitch and high amplitude in comparison to the voices of a baby boy, a baby girl and a woman. The voice of a baby girl has highest pitch among this group.
https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
See lessSound can travel through
Sound can travel through (d) solids, liquids and gases. https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
Sound can travel through (d) solids, liquids and gases.
https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-13/
See less