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
Which of the following cannot transmit sound? Water, Vacuum, Aluminium, Oxygen gas
What is the SI unit of frequency?
What should an object do to produce sound?
A device called oscillator is used to send waves along a stretched string. The string is 20 cm long, and four complete waves fit along its length when the oscillator vibrates 30 times per second. For the waves on the strings.
(a) what is their wavelength?
(b) what is their frequency
(c) what is their speed?
Which of the following vibrates when a musical note is produced by the cymbals in an orchestra?
Which kind of sound is produced in an earthquake before the main shock wave begins ?
A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case :
Medium is ______ for generation of sound.
How is sound produced in a human larynx and a loudspeaker?
Sound is produced by ______.
