please mat this folding
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Answer:
4,3,2,5,1
Explanation:
the matching u need is 4,3,2,5,1.
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1.e reciprocal of frequency is time period
2.c distance travelled by wave per second velocity
3.b the noof vibrations/sec is frequency
4.a distance between two consecutive crest is wave length
5.d when we change feeble sound to loud sound,we increase its amplitude
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