Answer Happy

Which of the following statements are FALSE? I Two identical copper wires A and B are equal in length. Wire A is tightened 2 times than wire B, hence the transverse wave travels faster in wire B. II Two copper wires, A and B have equal length but wire A is thicker than wire B hence the transverse wave travels faster in wire B. III The standard value of sound level is referred to the level of normal conversation. IV The speed of a sound wave is determined by its intensity. A. I only B. II only C. III only D. IV only E. I and II F. II, III and IV G. I, II and IV H. I, III and IV