State true/false
17. Maximum displacement of the wave from its mean position is called amplitude.
18. Audible range of human being is 20 Hz to 30000 Hz.
19. Speed of sound is maximum in solids.
20. Unpleasant and loud sound is called
music.
Answers
Answered by
1
Answer:
17. True
18. FALSE
19. true
20. false
please mark as BRAINLIAST
Answered by
2
Answer:
17-true
18-fasle
19-true
20-faslse
Explanation:
18-Audible range= 20 HZ to 20000 HZ.
20-Unpleasant and loud sound is called noise.
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