A) impulse B) thermal energy C) reaction force D) mechanical Wave
A) the energy of distant stars B) a vacuum C) artificial lights D) the high energy of the Sun
A) microwaves B) ultraviolet light C) visible light D) radio waves
A) False B) True
A) longitidunal wave B) transverse Wave C) thermal wave D) vibrational wave
A) interference wave B) longitudinal wave C) node D) transverse wave
A) water waves B) sound waves C) light waves D) seismic waves
A) water waves B) sound waves
A) green B) yellow C) red D) violet E) blue
A) violet B) yellow C) blue D) red E) green
A) gamma rays B) ultraviolet light C) infrared light D) radio waves
A) ultraviolet light B) gamma rays C) radio waves D) x-rays
A) mechanical waves B) when the queen greets her subjects while cleaning C) electromagnetic waves
A) black light B) white light C) a gross brown colour D) a path to lucky charms
A) gamma rays B) ultraviolet light C) x-rays D) radio waves
A) All of these are correct B) Waves C) Vibrations D) Captured in our Ears E) Energy
A) There is a rainbow present in the sky. B) A moving object is emitting sound continuously. C) The waves are moving like the ripples in a pond from a rock D) The waves are really distorted in the front where the sound is and not in the back after the object moves away
A) Solids B) Gases C) Liquids D) Space
A) A figment of your imagination B) Sound that bounces in all directions C) Sound that DOES NOT bounce back to you D) Sound bouncing back to you off a solid object
A) Hertz B) Frequency C) Intensity D) Velocity E) Amplitude
A) The unit of measure that is used to measure wavelength B) The unit of measure used to measure frequency C) The unit of measure to measure tone quality D) The unit of measure used to measure the loudness
A) It does not have a relation B) Decibels C) Amplitude D) Frequency E) Speed
A) 200 dB B) 70 dB C) 50 dB D) 100 dB E) 20 dB
A) Neither B) The only place in space that you can hear is the moon C) False D) You can always hear no matter where you are E) True
A) 0-100Hz B) 100-100,000Hz C) A mouse squeak to a lion's roar D) 50-50,000Hz E) 20-20,000Hz
A) a lower pitch B) a higher pitch C) a softer sound D) a louder sound
A) at right angles with the source B) all directions C) in a straight line D) parallel to the source
A) determined between two consecutive crests or troughs B) determined between two consecutive compressions or rarefractions C) determined by how many particles move side to side D) determined by how loud it is
A) ultrasonic B) sonic the hedgehog C) infrasonic D) hydrasonic
A) ultrasonic B) infrasonic C) hydrasonic D) sonic the hedgehog
A) ultrasound machine B) bats C) elephants D) all of the above
A) all of these B) ultrasound machine C) whales D) bats
A) stops, restarts B) decreases, increases C) increases, decreases D) starts, stops
A) Echo Location B) No echos at all C) Echo Reverberation D) Echo Detection
A) frequency B) wavelength C) hearing sensitivity D) amplitude
A) 3 m/s B) 10 km/h C) 40 km/h D) 340 m/s
A) jet motor B) calm classroom C) intense road traffic D) rock music concert
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