Diana noticed that a point source emits sound with a power of 300 W a distance of 30 m from the source. By assuming the

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Diana Noticed That A Point Source Emits Sound With A Power Of 300 W A Distance Of 30 M From The Source By Assuming The 1 (204.69 KiB) Viewed 37 times

Diana noticed that a point source emits sound with a power of 300 W a distance of 30 m from the source. By assuming the point source emits spherical sound waves, choose the FAL SE statements: I The sound intensity emitted is uniform in all direction. II The sound intensity increases by the factor of 2 , away from the point source. III The sound intensity depends on the power of the source. IV The sound intensity level is at the threshold of pain. V If Diana moves away, the sound frequency as perceived by Diana is decreased. A. 1 only B. II only C. II and IV D. III and IV E. IV and V F. II, IV and V G. II, III and IV H. III, IV and V