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13,100 | NDQ_013972 | measuring waves | The resting position of particles in a longitudinal wave is where the particles are most spread out. | null | null | Multiple Choice | a. true, b. false | b |
13,101 | NDQ_013973 | measuring waves | A wave caused by a disturbance with greater energy has greater amplitude. | null | null | Multiple Choice | a. true, b. false | a |
13,102 | NDQ_013975 | measuring waves | If you know the speed and wavelength of a wave, you can calculate its frequency. | null | null | Multiple Choice | a. true, b. false | a |
13,103 | NDQ_013978 | measuring waves | Waves generally travel most slowly in gases. | null | null | Multiple Choice | a. true, b. false | a |
13,104 | NDQ_013980 | measuring waves | A wave with a higher frequency always has a greater speed than a wave with a lower frequency. | null | null | Multiple Choice | a. true, b. false | b |
13,105 | NDQ_013981 | measuring waves | One measure of wave size is wave frequency. | null | null | Multiple Choice | a. true, b. false | b |
13,106 | NDQ_013982 | measuring waves | Measures of wave size include | null | null | Multiple Choice | a. wavelength., b. wave amplitude., c. wave frequency., d. two of the above | d |
13,107 | NDQ_013983 | measuring waves | The resting position of a transverse wave is called a trough. | null | null | Multiple Choice | a. true, b. false | b |
13,108 | NDQ_013984 | measuring waves | The amplitude of a transverse wave is the distance between | null | null | Multiple Choice | a. two adjacent crests., b. two adjacent troughs., c. a crest and a trough., d. a crest and the resting position. | d |
13,109 | NDQ_013985 | measuring waves | What is the speed of a wave that has a wavelength of 0.5 meters and a frequency of 2 waves per second? | null | null | Multiple Choice | a. 14 m/s, b. 1 m/s, c. 4 m/s, d. 10 m/s | b |
13,110 | NDQ_013986 | measuring waves | If you know only a waves amplitude and wavelength, you can calculate its speed. | null | null | Multiple Choice | a. true, b. false | b |
13,111 | NDQ_013987 | measuring waves | Wave amplitude depends on | null | null | Multiple Choice | a. wavelength., b. wave speed., c. wave energy., d. wave frequency., e. wave energy of the original disturbance. | c |
13,112 | NDQ_013988 | measuring waves | Wave speed and wavelength have an inverse relationship. | null | null | Multiple Choice | a. true, b. false | b |
13,113 | NDQ_013989 | measuring waves | A tsunami is an ocean wave with an unusually great amplitude. | null | null | Multiple Choice | a. true, b. false | a |
13,114 | NDQ_013990 | measuring waves | When one wave passes a fixed point every second, the frequency of the waves is | null | null | Multiple Choice | a. 0.1 Hz., b. 1 Hz., c. 10 Hz., d. none of the above | b |
13,115 | NDQ_013991 | measuring waves | Assume that a wave has a fixed speed. If the frequency of the wave increases, its wavelength | null | null | Multiple Choice | a. increases., b. decreases., c. does not change., d. may or may not change. | b |
13,116 | NDQ_013992 | measuring waves | The speed of waves depends on their | null | null | Multiple Choice | a. wavelength., b. frequency., c. medium., d. all of the above | d |
13,117 | NDQ_013993 | measuring waves | maximum distance the particles of a medium move from their resting position | null | null | Multiple Choice | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | c |
13,118 | NDQ_013994 | measuring waves | number of waves that pass a fixed point in a given amount of time | null | null | Multiple Choice | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | e |
13,119 | NDQ_013995 | measuring waves | how far a wave travels in a given amount of time | null | null | Multiple Choice | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | g |
13,120 | NDQ_013996 | measuring waves | highest point reached by particles of the medium in a transverse wave | null | null | Multiple Choice | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | f |
13,121 | NDQ_013997 | measuring waves | distance between two corresponding points on adjacent waves | null | null | Multiple Choice | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | b |
13,122 | NDQ_013998 | measuring waves | location of particles of the medium in the absence of a wave | null | null | Multiple Choice | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | d |
13,123 | NDQ_013999 | measuring waves | SI unit for wave frequency | null | null | Multiple Choice | a. hertz, b. wavelength, c. wave amplitude, d. resting position, e. wave frequency, f. crest, g. wave speed | a |
13,124 | NDQ_014008 | wave interactions and interference | An echo occurs because of wave | null | null | Multiple Choice | a. interference., b. diffraction., c. refraction., d. reflection. | d |
13,125 | NDQ_014010 | wave interactions and interference | If a wave strikes a barrier at a 45 angle, what is the angle of reflection? | null | null | Multiple Choice | a. 180, b. 120, c. 90, d. 45 | d |
13,126 | NDQ_014012 | wave interactions and interference | Light is refracted when it | null | null | Multiple Choice | a. strikes a barrier it cannot pass through., b. spreads around an obstacle such as a wall., c. passes from air to water at an angle., d. interferes with other waves. | c |
13,127 | NDQ_014013 | wave interactions and interference | What happens when a wave passes around a barrier that is shorter than its wavelength? | null | null | Multiple Choice | a. The wave has a large angle of incidence., b. The wave spreads out around the barrier., c. The wave is refracted., d. none of the above | b |
13,128 | NDQ_014016 | wave interactions and interference | Constructive interference occurs when two waves pass through each other and the | null | null | Multiple Choice | a. crests of both waves cancel each other out., b. crests of both waves have a smaller amplitude., c. crests of one wave overlap crests of the other wave., d. crests of one wave cancel out troughs of the other wave. | c |
13,129 | NDQ_014021 | wave interactions and interference | Reflection occurs only with sound waves. | null | null | Multiple Choice | a. true, b. false | b |
13,130 | NDQ_014024 | wave interactions and interference | All reflected waves appear to be standing still. | null | null | Multiple Choice | a. true, b. false | b |
13,131 | NDQ_014026 | wave interactions and interference | The angle of incidence is always greater than the angle of reflection. | null | null | Multiple Choice | a. true, b. false | b |
13,132 | NDQ_014027 | wave interactions and interference | Reflected waves have the same speed as the original waves before they were reflected. | null | null | Multiple Choice | a. true, b. false | a |
13,133 | NDQ_014028 | wave interactions and interference | Diffraction is more pronounced with sound waves than light waves. | null | null | Multiple Choice | a. true, b. false | a |
13,134 | NDQ_014029 | wave interactions and interference | Diffraction occurs because waves travel at different speeds in different media. | null | null | Multiple Choice | a. true, b. false | b |
13,135 | NDQ_014030 | wave interactions and interference | Wave interference occurs whenever waves enter a new medium. | null | null | Multiple Choice | a. true, b. false | b |
13,136 | NDQ_014031 | wave interactions and interference | Wave interference occurs only when a wave is reflected. | null | null | Multiple Choice | a. true, b. false | b |
13,137 | NDQ_014032 | wave interactions and interference | You can hear sounds around the corner of a building because the sound waves are refracted. | null | null | Multiple Choice | a. true, b. false | b |
13,138 | NDQ_014033 | wave interactions and interference | Light waves refract when they pass from air to water. | null | null | Multiple Choice | a. true, b. false | a |
13,139 | NDQ_014034 | wave interactions and interference | Destructive interference decreases the amplitude of waves. | null | null | Multiple Choice | a. true, b. false | a |
13,140 | NDQ_014035 | wave interactions and interference | A standing wave forms when a wave is refracted. | null | null | Multiple Choice | a. true, b. false | b |
13,141 | NDQ_014036 | wave interactions and interference | Interference occurs only when the crests of one wave overlap with the troughs of another wave. | null | null | Multiple Choice | a. true, b. false | b |
13,142 | NDQ_014037 | wave interactions and interference | A standing wave occurs when a wave is reflected straight back from an obstacle. | null | null | Multiple Choice | a. true, b. false | a |
13,143 | NDQ_014038 | wave interactions and interference | Wave interference always changes the speed of a wave. | null | null | Multiple Choice | a. true, b. false | b |
13,144 | NDQ_014039 | wave interactions and interference | change in direction of waves as they enter a new medium at an angle | null | null | Multiple Choice | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | e |
13,145 | NDQ_014040 | wave interactions and interference | bouncing back of waves from a barrier | null | null | Multiple Choice | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | c |
13,146 | NDQ_014041 | wave interactions and interference | any interaction of waves with other waves | null | null | Multiple Choice | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | g |
13,147 | NDQ_014042 | wave interactions and interference | situation in which crests of one wave overlap crests of another wave | null | null | Multiple Choice | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | d |
13,148 | NDQ_014043 | wave interactions and interference | any interaction of waves with matter | null | null | Multiple Choice | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | b |
13,149 | NDQ_014044 | wave interactions and interference | spreading out of waves as they pass around a barrier | null | null | Multiple Choice | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | a |
13,150 | NDQ_014045 | wave interactions and interference | situation in which crests of one wave overlap troughs of another wave | null | null | Multiple Choice | a. diffraction, b. wave interaction, c. reflection, d. constructive interference, e. refraction, f. destructive interference, g. wave interference | f |
13,151 | NDQ_014046 | wave interactions and interference | Ways that waves may interact with matter include | null | null | Multiple Choice | a. diffraction., b. destructive interference., c. constructive interference., d. all of the above | a |
13,152 | NDQ_014047 | wave interactions and interference | Reflected waves differ from the original waves before they were reflected in their | null | null | Multiple Choice | a. speed., b. direction., c. frequency., d. wavelength. | b |
13,153 | NDQ_014048 | wave interactions and interference | Refraction occurs because waves | null | null | Multiple Choice | a. cannot travel through an obstacle such as a wall., b. travel at different speeds in different media., c. interfere with their reflected waves., d. none of the above | b |
13,154 | NDQ_014049 | wave interactions and interference | If the length of an obstacle is greater than the wavelength of a wave, you would expect to see | null | null | Multiple Choice | a. no diffraction., b. very little diffraction., c. a lot of diffraction., d. wave interference. | b |
13,155 | NDQ_014050 | wave interactions and interference | A standing wave is a wave that | null | null | Multiple Choice | a. is not moving., b. has an upright direction., c. is taller than other waves., d. appears to be standing still. | d |
13,156 | NDQ_014051 | wave interactions and interference | A standing wave occurs because of a combination of | null | null | Multiple Choice | a. incidence and reflection., b. refraction and diffraction., c. refraction and interference., d. constructive and destructive interference. | d |
13,157 | NDQ_014052 | wave interactions and interference | Which statement about destructive interference is true? | null | null | Multiple Choice | a. It occurs when waves pass through each other., b. It results in a wave with a higher frequency., c. It occurs when waves interact with matter., d. It always produces a standing wave. | a |
13,158 | NDQ_014190 | characteristics of sound | Through which medium do sounds waves travel most slowly? | null | null | Multiple Choice | a. air, b. wood, c. glass, d. aluminum | a |
13,159 | NDQ_014191 | characteristics of sound | Assume that sound A has a decibel level of 10 and sound B has a decibel level of 30. How many times louder is sound B than sound A? | null | null | Multiple Choice | a. 3, b. 10, c. 20, d. 100 | d |
13,160 | NDQ_014192 | characteristics of sound | What determines the intensity of sound? | null | null | Multiple Choice | a. amplitude of sound waves, b. frequency of sound waves, c. distance from the sound source, d. two of the above | d |
13,161 | NDQ_014193 | characteristics of sound | Compared with a low-pitched sound, a high-pitched sound has sound waves with | null | null | Multiple Choice | a. greater intensity., b. higher frequency., c. greater amplitude., d. longer wavelength. | b |
13,162 | NDQ_014194 | characteristics of sound | Human beings can normally hear sounds with a frequency between about | null | null | Multiple Choice | a. 10 and 10,000 Hz., b. 20 and 20,000 Hz., c. 20 and 140 Hz., d. 10 and 120 Hz. | b |
13,163 | NDQ_014195 | characteristics of sound | The speed of sound in air at 20 C is | null | null | Multiple Choice | a. 343 m/s., b. 1437 m/s., c. 3850 m/s., d. 4540 m/s | a |
13,164 | NDQ_014196 | characteristics of sound | The Doppler effect occurs when the sound source | null | null | Multiple Choice | a. is moving relative to the listener., b. produces sound waves with a frequency above 10,000 Hz., c. starts producing lower frequency sound waves., d. starts producing greater amplitude sound waves. | a |
13,165 | NDQ_014204 | characteristics of sound | All sounds begin with vibrations in matter. | null | null | Multiple Choice | a. true, b. false | a |
13,166 | NDQ_014205 | characteristics of sound | Sound waves generally travel most quickly through gases. | null | null | Multiple Choice | a. true, b. false | b |
13,167 | NDQ_014206 | characteristics of sound | Sounds can travel through air and water but not through solids. | null | null | Multiple Choice | a. true, b. false | b |
13,168 | NDQ_014207 | characteristics of sound | Sound waves travel more quickly in warm air than cold air. | null | null | Multiple Choice | a. true, b. false | a |
13,169 | NDQ_014208 | characteristics of sound | The amount of water vapor in the air affects the speed of sound through air. | null | null | Multiple Choice | a. true, b. false | a |
13,170 | NDQ_014209 | characteristics of sound | Sounds that are too high in frequency for humans to hear are called infrasound. | null | null | Multiple Choice | a. true, b. false | b |
13,171 | NDQ_014210 | characteristics of sound | As distance from a sound source increases, the area covered by the sound waves decreases. | null | null | Multiple Choice | a. true, b. false | b |
13,172 | NDQ_014211 | characteristics of sound | As the decibel level of sounds gets higher, the pitch of the sounds always gets higher. | null | null | Multiple Choice | a. true, b. false | b |
13,173 | NDQ_014212 | characteristics of sound | The intensity of sound waves is the same regardless of distance from the sound source. | null | null | Multiple Choice | a. true, b. false | b |
13,174 | NDQ_014213 | characteristics of sound | Some animals can hear sounds with frequencies as high as 100,000 Hz. | null | null | Multiple Choice | a. true, b. false | a |
13,175 | NDQ_014214 | characteristics of sound | how loud or soft a sound seems to a listener | null | null | Multiple Choice | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | a |
13,176 | NDQ_014215 | characteristics of sound | sounds with frequencies above 20,000 hertz | null | null | Multiple Choice | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | f |
13,177 | NDQ_014216 | characteristics of sound | unit of sound intensity | null | null | Multiple Choice | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | d |
13,178 | NDQ_014217 | characteristics of sound | how high or low a sound seems to a listener | null | null | Multiple Choice | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | g |
13,179 | NDQ_014218 | characteristics of sound | transfer of energy from a vibrating object in waves that travel through matter | null | null | Multiple Choice | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | c |
13,180 | NDQ_014219 | characteristics of sound | sounds with frequencies below 20 hertz | null | null | Multiple Choice | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | b |
13,181 | NDQ_014220 | characteristics of sound | measure of the amount of energy in sound waves | null | null | Multiple Choice | a. loudness, b. infrasound, c. sound, d. decibel, e. intensity, f. ultrasound, g. pitch | e |
13,182 | NDQ_014221 | hearing sound | Bones in the ear canal transmit sound waves to the middle ear. | null | null | Multiple Choice | a. true, b. false | b |
13,183 | NDQ_014222 | hearing sound | Which choice shows the correct sequence in which sound waves travel through the ear? | null | null | Multiple Choice | a. ear canal eardrum hammer, b. anvil oval window ear canal, c. stirrup pinna eardrum, d. eardrum ear canal cochlea | a |
13,184 | NDQ_014223 | hearing sound | The stirrup passes amplified sound waves to the oval window. | null | null | Multiple Choice | a. true, b. false | a |
13,185 | NDQ_014224 | hearing sound | In which structure of the ear are sound waves changed to nerve impulses? | null | null | Multiple Choice | a. eardrum, b. stirrup, c. oval window, d. cochlea | d |
13,186 | NDQ_014225 | hearing sound | We hear sound as soon as sound waves reach the middle ear. | null | null | Multiple Choice | a. true, b. false | b |
13,187 | NDQ_014226 | hearing sound | Which structures are found in the outer ear? | null | null | Multiple Choice | a. anvil, pinna, eardrum, b. pinna, ear canal, eardrum, c. ear canal, cochlea, stirrup, d. hammer, pinna, ear canal | b |
13,188 | NDQ_014227 | hearing sound | Functions of the ossicles include | null | null | Multiple Choice | a. amplifying sound waves., b. transferring sound waves., c. catching sound waves., d. two of the above | d |
13,189 | NDQ_014228 | hearing sound | Most adults experience at least some hearing loss as they get older. | null | null | Multiple Choice | a. true, b. false | a |
13,190 | NDQ_014229 | hearing sound | The most common cause of hearing loss is exposure to loud sounds. | null | null | Multiple Choice | a. true, b. false | a |
13,191 | NDQ_014230 | hearing sound | Which decibel level of sound has the longest permissible exposure time? | null | null | Multiple Choice | a. 85 dB, b. 100 dB, c. 106 dB, d. 115 dB | a |
13,192 | NDQ_014232 | hearing sound | Long-term exposure to loud sounds is needed to damage hearing. | null | null | Multiple Choice | a. true, b. false | b |
13,193 | NDQ_014233 | hearing sound | Many home and yard chores are loud enough to cause hearing loss. | null | null | Multiple Choice | a. true, b. false | a |
13,194 | NDQ_014235 | hearing sound | Electronic hearing protectors reduce the amplitude of high-amplitude sound waves. | null | null | Multiple Choice | a. true, b. false | a |
13,195 | NDQ_014238 | hearing sound | The brain interprets nerve impulses from the ears as sounds. | null | null | Multiple Choice | a. true, b. false | a |
13,196 | NDQ_014240 | hearing sound | Materials used for earplugs include silicon and polyurethane foam. | null | null | Multiple Choice | a. true, b. false | a |
13,197 | NDQ_014241 | hearing sound | The brain plays an essential role in hearing. | null | null | Multiple Choice | a. true, b. false | a |
13,198 | NDQ_014242 | hearing sound | part of the ear that extends outward from the head | null | null | Multiple Choice | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | d |
13,199 | NDQ_014243 | hearing sound | The most common cause of hearing loss is damage to the eardrum. | null | null | Multiple Choice | a. true, b. false | b |
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