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