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