Question

c.) Write 'true' or 'false' for the following statements :

1. )The range of sonic vibrations is between 20 Hz and 20,000 Hz.

2.) More the amplitude of a vibration, less is its
loudness.

3.) With the increase in the frequency of a body, the sound becomes shrill.

4.) Subsonic waves are used in dish washing machines.

5.) Sound energy is reflected by soft and loose surfaces.​

Answer 1

Answer:

1. false
2. false
3. true
4. true
5. false

Explanation:

please mark it as the brainliest answer

Answer 2

1.True

2.False

3.True

4.False

5.True