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
Explain why you can predict the arrival of a train by placing your ear on the rails without seeing it.
Which characteristics of the sound helps you to identify your friend by his voice while sitting with others in a dark room?
What is the general name of the waves consisting of :
(a) compressions and rarefactions?
(b) crests and troughs?
A tuning fork has a number 256 marked on it. What does this number signify?
What will be the change in the wavelength of a sound wave in air if its frequency is doubled?
Describe a simple experiment to show that the prongs of a sound producing tuning fork are vibrating.
Fill in the blank with suitable word.
When the frequency of the sound is increased, the wavelength ____________.
Figure X shows a trace of a sound wave produced by a particular tuning fork :
(a) On the graph paper given in Figure Y, draw a trace of the sound wave which has a higher frequency than that shown in figure X.
(b) On the graph paper show in Figure Z, draw a trace of the sound wave which has a larger amplitude than that shown in Figure X.
What is vibration?
______ is produced when an object is set to vibrate.
