$(i)$ State the safe limit of sound level in terms of decibel for human hearing.
$(i i)$ Name the characteristic of sound in relation to its waveform.

Open in App

Solution

$(i)$ The sound level $30 d B$ to $10 d B$ has the soothing sensation.
$(i i)$ Sound can be characterized by its quality (or timbre).Sound is the longitudinal waveform which can also be characterized by amplitude,frequency and tone.

Suggest Corrections

Similar questions

(a) What is the upper limit of frequency of human hearing ?

(b) What is the lower limit of frequency of human hearing ?

(d) Name two animals which can hear ultrasonic sounds.

d B

Name the characteristic of sound related to its frequency.

I W / m^{2}

B_{0}

4 I

I

I_{0}

Join BYJU'S Learning Program