1) The higher the frequency of the wave is, _______________________. a) The lower is its speed b) The longer is its period. c) The greater is its amplitude. d) The shorter is its wavelength. 2) In a transverse wave, the individual particles of the medium ____________ a) move in circles b) move in eclipses c) move parallel to the direction of travel d) move perpendicular to the direction of travel 3) The maximum distance the molecules of a medium are displaced from their rest position is the  e ____________________. a) amplitude b) frequency c) speed d) wavelength 4) Five waves pass a certain point in one second with a speed of 100 cm/s. What is the wavelength? a) 0.05 cm b) 0.5 cm c) 10 cm d) 20 cm 5) Mechanical waves transport energy from one place to another through: a) alternately vibrating particles of the medium b) vibrating particles and traveling particles c) particles travelling with the wave d) none of the above 6) In _______ waves, the individual particles in the medium move parallel to the direction of travel of the wave. An example of this is   a) transverse: sound b) transverse: visible light c) longitudinal: sound d) longitudinal: visible light 7) All the statements about waves are correct EXCEPT a) Waves transfer particles (matter) and energy b) Waves have the capacity to transmit messages c) Waves can be classified as either electromagnetic or mechanical. d) Waves carry energy from place to place but the particles do not move with the waves. 8) Energy from the sun reaches the Earth through ___________. a) electromagnetic waves b) infrared waves c) mechanical waves d) ultraviolet waves 9) Compare the frequency of infrared (IR) with the frequency of ultraviolet (UV) waves a) Infrared waves have lower frequency than ultraviolet waves b) Infrared waves have higher frequency than ultraviolet waves. c) Infrared waves have the same frequency as the ultraviolet waves d) Infrared wave is not comparable in frequency with ultraviolet waves

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