Advertisements
Advertisements
Question
Which wave property determines (a) loudness, (b) pitch?
Advertisements
Solution
(a) Amplitude (b) Frequency
(a) The loudness of a sound depends on its amplitude. If the amplitude of a sound is large, then the sound produced will also be loud.
(b) The pitch of a sound depends on its frequency. A sound will be considered a high pitched sound, if its frequency is high.
APPEARS IN
RELATED QUESTIONS
Fill in the blank.
The pitch of a sound depends on its ________.
How does a bat make use of ultrasonics waves to find its way?
Name the two characteristics of sound which differentiate two sounds from each other.
What type of wave is represented :
(a) by density-distance graph?
(b) by displacement-distance graph?
State the general name of the waves in which the particles of the medium vibrate :
(i) in the same direction as wave.
(ii) at right angles to the direction of wave.
The distance between three consecutive crests of wave is 60 cm. If the waves are produced at the rate of 180/ min, calculate:
- wavelength
- time period
- wave velocity.
What do you mean by the frequency of sound?
Why is a sound wave called a longitudinal wave?
Distinguish between compression and rarefactions.
