question_answer 57)

  Represent graphically by two separate diagrams in each case. (i) Two sound waves having the same amplitude but different frequencies. (ii) Two sound waves having the same frequency but different amplitudes. (iii) Two sound waves having different amplitudes and also different wavelengths.

Answer:

  (i)         In both cases (a) and (b), same amplitude but different frequencies. (ii) In both cases (a) and (b) same frequency and different amplitudes. i.e., (iii) In both cases (a) and (b), different amplitudes and different wavelengths i.e.,