Question

Difference Between :

1 Echo and Reverberation

2 Longitudinal and Transverse Waves

3 Frequency and Amplitude

4 Noise and Music

Answer 1

echo is the multiple repeat of same word with different pitch and noise is the unwanted sound

Answer 2

frequency = no. of oscillations per unit time
SI unit = hertz
frequency = no. of oscillations / time
amplitude = depend upon loudness
small loudness = small amplitude
large loudness = large amplitude