Question

please mat this folding ​

Answer 1

Answer:

4,3,2,5,1

Explanation:

the matching u need is 4,3,2,5,1.

Answer 2

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