Question

B. Statements given below are incorrect. Write
the correct statements.
1. The time taken by a vibrating body to
complete one vibration is called frequency.
2. In order to produce an echo, the minimum
distance between the source of sound and
the reflecting body should be 14 m.
3. The characteristic of sound which
distinguishes between the sharp sound and
dull sound is called loudness.
4. Shriller the sound more is the amplitude of
body
5. Galton whistles are used to train animals.​

Answer 1

Answer: see realy  i am sorry i ant help you because i am in class8

Explanation:

Answer 2

Sorry I do not know the answer of this question sorry sorry