Fill in the following blanks with suitable words: (a) An echo is simply a ………. Sound. (b) Pitch od sound depends on ……… (c) Loudness of sound depends on ………. (d) Quality of sound depends on ………. (e) Echoes are caused by the …………of sound.

Fill in the following blanks with suitable words:
(a) An echo is simply a ………. Sound.

(b) Pitch od sound depends on ………

(c) Loudness of sound depends on ……….

(d) Quality of sound depends on ……….

(e) Echoes are caused by the …………of sound.

(a) An echo is simply a reflected Sound.

(b) Pitch od sound depends on frequency.

(c) Loudness of sound depends on amplitude.

(d) Quality of sound depends on waveform.

(e) Echoes are caused by the reflection of sound.

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