question_answer 48)

  Before playing the orchestra in a musical concert, a sitaris t tries to adjust the tension and pluck the string suitably. By doing so, he is adjusting (a) intensity of sound only                                           (b) amplitude of sound only (c) frequency of the sitar string with the frequency of other musical instruments (d) loudness of sounds

Answer:

  (c) Sitarist is adjusting frequency of the sitar string with the frequency of other musical instruments. Because if it is not done so, the sound will be un pleasant to listen.