question_answer

  Once Ishita went to an opera house. She appreciated   its   architecture   and furnishing. There were the curved ceiling, draperies, cushions and curtains perfectly placed. She also saw sound board behind the stage. She now wondered, if each of these accessories were placed for the sake of aesthetics of the hall or had a scientific reason too.     Read the given passage and answer the following questions (a) Give the purpose of curtains, draperies and cushions in opera house. (b) What is the role of curved ceiling and sound board? (c) Give some values of Ishita.

Answer:

   (a) Curtains, draperies and cushions are sound absorbent    materials,    which    reduce reverberation.                          (b) Sound boards and curved cutting focuses the sound such that sound after reflection reaches all corners of the hall and spreads evenly across the width of the hall.             (c) Ishita is curious, scientific and intelligent.