Question What is the amplitude of the wave depicted here? Answer saved Points out of 1.00 P Flag question Select one: O a. 1.5 Ob. 8 C. 3 Clear my choice Question 2 How does the wavelength of a sound when the receiver is moving away from the source compare to the wavelength if the source and receiver are stationary? Answer Select one: saved a. The wavelength does not change. Points out o b. The wavelength is longer. of 1.00 O c. The wavelength is shorter. P Flag question Clear my choiceQuestion A light flickers 30 times in one second. What is the frequency of the light in Hertz? Answer Select one: saved a. 15 Points out b. 0.03 of 1.00 O c. 30 Flag question d. 1 Clear my choice Question 4 What type of interference gives rise to antinodes in standing waves? Answer Select one: saved a. Destructive interference only. Points out b. Both constructive and destructive interference happens at these sites. of 1.00 o c. Constructive interference only. P Flag question Clear my choice Question If one firecracker going off registers 100 decibels. How many firecrackers would it take to register 120 decibels? Refer to the Threshold of Hearing and the Decibel Scale on this website to help with answering this. Answer saved Select one: Points out a. 20 of 1.00 b. 2 P Flag question c. 100 o d. 10 Clear my choice Question What happens to the frequency of a sound in order for the pitch to go up 2 octaves? Answer Select one: saved a. It goes up 2 hertz. Points out b. It goes up 4 hertz. of 1.00 o c. It goes up 4 times. P Flag question d. It goes up 2 times.guestion What is the velocity in m/s of the wave depicted here, if a crest can be seen going by every 4 seconds and each block represents 1 m? Answer saved Points out of 1.00 w Flag question Select one: a. 1 b. 2 0 c. 32 d. 16 Clear my choice guestion How does the amount of air that reaches your ear from mouth compare when I shout compared to when I whisper to you from across a large room. Answer Select one: saved a. The amount is the same. Points out b. More reaches when you whisper. of 1.00 0 c. More reaches when you shout. , Remove ag d. Nothing is actually being transported. Clear my Choice Question In a fluid medium (such as air or water), what type of wave is sound? Answer Select one: saved Transverse. Points out b. Longitudinal (compression). of 1.00 c. It can be either type. P Flag question Clear my choice Question What is the wavelength of the wave shown here? 10 Answer saved Points out of 1.00 Flag question Select one: a. 1 Ob. 9 O c. 2 O d. 0.9 O e. 1.8 Clear my choice Question A student holds a tuning fork that emits a sound at 256 Hz above a tube that is partially submerged in water. They find that they sound resonates the loudest when the tube is 0.33 m above the water. What is the 11 speed of sound according to this experiment? Answer saved Answer: 340.48 m/s Points out of 1.00 Remove flag