Test - Waves

QUESTION 1 The main factor which effects the speed of a sound wave is the amplitude of the sound wave intensity of the sound O loudness of the sound properties of the medium O pitch of the sound QUESTION 2 As a wave travels into a medium in which its speed increases, its wavelength would O decrease increase O remain the same QUESTION 3 What is the amplitude of the wave in the diagram below? 0.080 m 0.060m O 0,03 m 0.04 m 0.05 m O 0.05 m QUESTION 4 What is the frequency of a wave that has a speed of 0.4 m/'s and a wavelength of 0.020 meter? 10 hertz O 20 hertz 0.008 hertz O 0.5 hertzQUESTION 5 The number of waves generated per second by a source is called the frequency of the source. O True O False QUESTION 6 If the frequency of a wave is doubled and if the speed remains constant, its wavelength is O quartered O halved O unchanged O doubled QUESTION 7 A standing wave experiment is performed to determine the speed of waves in a rope. The standing wave pattern shown below is established in the rope. The rope makes exactly 90 complete vibrational cycles in one minute. The speed of the waves is _m/s. 0.5m - 6.0m O 3.0 O b. 6.0 180 360 QUESTION 8 Which phenomenon is produced when two or more waves passing simultaneously through the same medium meet up with one another? O refraction O diffraction O interference O reflectionQUESTION 9 Which one of the following CANNOT transmit sound? Liquid air Gaseous oxygen O Liquid water Solid steel O Perfect vacuum