Advertisements
Advertisements
प्रश्न
State whether the following statement is true or false :
Sound produced by a vibrating body travels to our ears by the actual movement of air.
Advertisements
उत्तर
False. The sound produced by a vibrating body is a longitudinal wave where energy is transmitted through the medium by successive compressions and rarefactions.
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
Sound is produced when a body ______.
What minimum distance is required between the source of sound and the reflecting surface to hear an echo ? Give reason.
What is the SI unit of frequency?
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
How is sound produced? Explain with the help of an example.
Fill in the blank with suitable word.
When the frequency of the sound is increased, the wavelength ____________.
Draw the sketches of two waves A and B such that wave A has twice the wavelength and half the amplitude of wave B.
Medium is ______ for generation of sound.
Sound is produced by ______.
Describe an experiment to show that sound cannot travel through vaccum.
