Advertisements
Advertisements
प्रश्न
Which object is vibrating when the following sounds are produced?
(i) The sound of a sitar
(ii) The sound of a tabla
(iii) The sound of a tuning fork
(iv) The buzzing of a bee or mosquito
(v) The sound of a flute
Advertisements
उत्तर
Sound is produced by the following objects:
(i) Vibrating stretched strings of sitar.
(ii) Vibrating stretched membranes of tabla.
(iii) Vibrating prongs of a tuning fork.
(iv) Vibrating wings of mosquito.
(v) Vibrating air columns in flute.
APPEARS IN
संबंधित प्रश्न
Describe an experiment to estimate the speed of sound in air.
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?
What is the SI unit of frequency?
Give reason for the following :
In most of the cases, we cannot see the vibrations of a sound producing object with our eyes.
A sound producing body is at considerable distance from a man. There can be four different media W, X, Y and Z between the sound producing body and the man. The medium X brings the sound to man most quickly whereas medium Z takes the maximum time. The time taken by medium W in bringing sound to man is less than that of X but more than that of Z. The medium Y, however, fails to bring the sound from the sound producing body to the man. Which medium could be the one :
(a) having on fixed shape and no fixed volume?
(b) having a fixed volume but no fixed shape?
(c) having the same composition as that on the moon?
(d) having a fixed shape and a fixed volume?
When the pitch of note produced by a harmonium is lowered, then the wavelength of the note :
Medium is ______ for generation of sound.
How are different sound notes generated in musical instruments like guitar, which uses strings for sound generation, and flute, which uses blown air for sound generation?
Write the answer in your own words.
What is meant by vibration?
Infrasound can be heard by
