1) A student generates water waves in a pool of water. In order to increase the energy carried by the waves, the student should generate waves with a a) greater amplitude b) higher frequency c) greater wavelength d) longer period 2) As a longitudinal wave moves through a medium, the particles of the medium a) vibrate parallel to the direction of the wave’s propagation b) vibrate perpendicular to the direction of the wave’s propagation c) are transferred in the direction of the wave’s motion, only d) are stationary 3) An earthquake wave is traveling from west to east through rock. If the particles of the rock are vibrating in a north-south direction, the wave must be classified as a) transverse b) a microwave c) longitudinal d) a radio wave 4) Which color of light has a wavelength of 5.0 × 10–7 meter in air? a) blue b) green c) orange d) violet 5) What is the period of a sound wave having a frequency of 340. hertz? a) 3.40 × 102 s b) 1.02 × 100 s c) 9.73 × 10−1 s d) 2.94 × 10−3 s 6) The diagram shows waves A and B in the same medium. Compared to wave A, wave B has a) twice the amplitude and twice the wavelength b) twice the amplitude and half the wavelength c) the same amplitude and half the wavelength d) half the amplitude and the same wavelength 7) A singer demonstrated that she could shatter a crystal glass by singing a note with a wavelength of 0.320 meter in air at STP. What was the natural frequency of the glass? a) 9.67 × 10−4 Hz b) 1.05 × 102 Hz c) 1.03 × 103 Hz d) 9.38 × 108 Hz 8) Which statement correctly describes one characteristic of a sound wave? a) A sound wave can travel through a vacuum. b) A sound wave is a transverse wave. c) The amount of energy a sound wave transmits is directly related to the wave’s amplitude. d) The amount of energy a sound wave transmits is inversely related to the wave’s frequency. 9) When a wave travels through a medium, the wave transfers a) mass, only b) energy, only c) both mass and energy d) neither mass nor energy 10) As the frequency of a vibrating spring increases, its period of vibration will a) decrease b) increase c) remain the same 11) The diagram represents two waves, A and B, traveling through the same uniform medium. Which characteristic is the same for both waves? a) amplitude b) frequency c) period d) wavelength 12) A physics student takes her pulse and determines that her heart beats periodically 60 times in 60 seconds. The period of her heartbeat is a) 1 Hz b) 60 Hz c) 1 s d) 60 s 13) Which statement describes a characteristic common to all electromagnetic waves and mechanical waves? a) Both types of waves travel at the same speed. b) Both types of waves require a material medium for propagation. c) Both types of waves propagate in a vacuum. d) Both types of waves transfer energy. 14) A longitudinal wave moves to the right through a uniform medium, as shown below. Points A, B, C, D, and E represent the positions of particles of the medium. Which diagram best represents the motion of the particle at position C as the wave moves to the right? a) b) c) d) 15) A longitudinal wave moves to the right through a uniform medium, as shown below. Points A, B, C, D, and E represent the positions of particles of the medium. The wavelength of this wave is equal to the distance between points a) A and B  b) B and C c) A and C d) B and E 16) The diagram represents a periodic wave. Which point on the wave is 180° out of phase with point P? a) A b) B c) C d) D 17) Which color of light has a wavelength of 5.0 × 10–7 meter in air? a) blue b) green c) orange d) violet 18) Which type of wave requires a material medium through which to travel? a) sound b) radio c) television d) x ray 19) In a vacuum, all electromagnetic waves have the same a) speed b) phase c) frequency d) wavelength 20) The diagram below represents a transverse water wave propagating toward the left. A cork is floating on the water’s surface at point P. In which direction will the cork move as the wave passes point P? a) up, then down, then up b) down, then up, then down c) left, then right, then left d) right, then left, then right

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