Question

Answer the following as requirement
a) Define the term: Decibel, Amplitude and Frequency​

Answer 1

Answer:

• (i) Frequency: Frequency is defined as the number of oscillations per second.
• (ii) Amplitude: Amplitude is defined as the maximum displacement of a particle from its rest position.
• (iii) Decibel: Decibel is the unit to measure the loudness of sound.
• (iv) Noise: Sound which is unpleasant to ears is called noise.

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Answer 2

Answer:

•(I)Decibel- A unit to measure the loudness of the sound.

•(ii) Amplitude- The greatest distance that a wave, especially a sound or radio wave,moves up and down is defined as amplitude.

•(iii) Frequency- The number of times something happens in a particular period.