Q. 885.0( 5 Votes )
Figure X showa a trace of a sound wave produced by a particular tuning fork:
Picture
(a) On the graph paper given in Figure Y, draw a trace of the sound wave which has higher frequency than that shown in Figure X.
(b) On the graph paper shoen in Figure Z, draw a trace of the sound wave which has a larger amplitude than that shown in Figure X.
Answer :
(a) 
(b) 
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PREVIOUSIn an experiment, Anhad studies sound waves. He sets up a loudspeaker to produce sound as shown below:PictureAnhad adjusts the signal to the loudspeaker to give a sound of frequency 200 Hz.(a) What happens to the air in-between Anhas and the loudspeaker?(b) Explain how Anhad receives sound in both ears.NEXTThree different vibrating objects produce three types of sounds X, Y and Z. Sounds X and Y cannot be heard by a man having normal range of hearing but sound Z can be heard easily. The sound X is used in hospitals to break kidney stones of a patient into fine grains whioch then get flushed out with urine. The sound Y is similar to that which is produced during an earthquake before the main shock wave is generated.(a) What type of sounds are (i) X, (ii) Y, and (iii) Z?(b) Name one device which can produce sound like X.(c) Name one device in a science laboratory which can produce sound like Y.(d) Name one device in our homes which can produce sound like Z.(e) What is the frequency range of sounds like Z?
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