Question

The loudness of sound is determined by the
(a) amplitude of vibration
(b) ratio of amplitude and frequency of vibration
(c) frequency of vibration
(d) product of amplitude and frequency of vibration


NCERT Class VIII
Science - Exemplar Problems

Chapter 13. Sound

Answer 1

Sound travels in wave.

It is the a sensation that is associated with hearing.

The loudness of the sound is determined by the amplitude of the vibration.

Whenever we are hearing a loud noise that is unhealthy for our air ear we depict it is as noise.

Answer 2

Explanation:

• The loudness of sound is determined by the  amplitude of vibration.
• A louder sound have higher amplitude of vibration. The intensity decreases as the distance from the source increases.

• Intensity of sound is proportional to the energy emitted by source and the energy is proportional to the Amplitude.

Learn more,

Loudness of sound

https://brainly.in/question/11152942