35. Compressions And Rarefactions Are Characteristic Of A. Longitudinal Waves B, Transverse Waves C. Both Of These. D. Neither Of These. 36. A Plane Mirror Will Produce A Virtual Image (A) When The Object Distance Is Greater Than The Image Distance. (B) When The Object Distance Is Less Than The Image Distance. (C) When The Object Is On The Principal Axis Of

 

 

 

35. Compressions and rarefactions are characteristic of a. longitudinal waves. b. transverse waves. c. both of these. d. neither of these. 36. A plane mirror will produce a virtual image (A) when the object distance is greater than the image distance. (B) when the object distance is less than the image distance. (C) when the object is on the principal axis of the mirror. (D) when the rays converge at the focal point of the mirror (E) at all distances from the mirror. 37. Wave interference can occur for a. sound waves. b. light waves. c. water waves. d. all of these. e. none of these. 38. In a longitudinal wave, the compressions and rarefactions travel in a. the same direction that the wave travels. b. a direction opposite to the wave travel. c. neither. 39. The fundamental frequency of a violin string is 440 Hz. The frequency of an octave is A. 220 Hz B. 440 Hz C. 880 Hz D. none of the above Amplitude, 40. The amplitude of a particular wave is 1 m. The top to bottom (crest to trough) distance of the wave is a. 0.5 m. b. 1 m. c. 2 m. d. none of these.