Advertisements
Advertisements
Questions
Fill in the blank.
The pitch of a sound depends on its ________.
Pitch of a sound depends on the _____ vibration.
Advertisements
Solution 1
The pitch of a sound depends on its frequency.
Solution 2
Pitch of a sound depends on the frequency of the vibration.
RELATED QUESTIONS
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?
A musician recognizes the musical instrument by hearing the sound produced by it, even without seeing the instrument. Which characteristic of sound makes this possible ?
What is loudness of sound? What factors does it depend on?
Name the two types of waves which can be generates in a long flexible spring (or slinky).
Before playing the orchestra in a musical concert, a sitarist tries to adjust the tension and pluck the strings suitably. By doing so he is adjusting :
In fig. 2 two musical notes of the same pitch and same loudness are played on a violin and on a piano. Their wave forms are as shown in the diagram below. Explain why the wave patterns are different.
What causes sound?
Draw displacement-time graph of a wave and show on it the amplitude and time period of wave.
Arrange the speed of sound in gases Vg, solids Vs and liquids VLin an ascending order.
An observer A fires a gun and another observer B at a distance 1650 m away from A hears its sound. If the speed of sound is 330 m s-1, find the time when B will hear the sound after firing by A.
State the relation between the wavelength and the frequency.
The diagram given below shows a displacement distance graph of a wave. If the velocity of wave is 160 ms-1, calculate:
- wavelength
- frequency
- amplitude.
Match the following.
| 1. | Tuning fork | The point where density of air is maximum |
| 2. | Sound | Maximum displacement from the equilibrium position. |
| 3. | Compressions | The sound whose frequency is greater than 20,000 Hz. |
| 4. | Amplitude | Longitudinal wave. |
| 5. | Ultasonics | Production of sound. |
Waves created by Earth Quake are Infrasonic.
Two observers are stationed in two boats 4.5 km apart. A sound signal sent by one, under water, reaches the other after 3 seconds. What is the speed of sound in the water?
Name two musical instruments which produce sound by vibrating strings.
Sound cannot travel through ______.
In which medium the speed of the sound is maximum?
Sound travels in the air as ______ wave.
The elastic property of medium is a factor of ______ medium.
