1) The number of waves that go past a particular point per second a) Waves b) Frequency c) Amplitude d) Ultrasound e) Loudness f) Pitch 2) The distance from one point on a wave to the same point on the next wave. a) Frequency b) 300,000,000m/s c) Wavelength d) Infrasound e) Hertz f) Decibels 3) How energy is transferred from one place to another.  a) Hertz [Hz] b) Longitudinal c) Waves d) Decibels [dB] e) Tranverse f) Frequency 4) A reflection of a sound wave.  a) Amplitude b) Hertz [Hz] c) Echo d) Ultrasound e) Decibels f) Infrasound 5) A substance through which a wave can travel.  a) Medium b) Echo c) Frequency d) Amplitude e) Vacuum f) Deep space 6) The speed of sound (in air) a) 330m/s b) 1500m/s c) 5000m/s d) 10,000m/s 7) The speed of light (in a vacuum) a) 0m/s b) 220 m/s c) 340 m/s d) 300,000,000m/s e) 300,000m/s f) 100,000m/s 8) The unit of measurement of frequency. a) Centimeters [cm] b) Hertz [Hz] c) Metres [m] d) Decibels [dB] 9) How high or low a sound is - depends on its frequency.  a) Oscillation b) Amplitude c) Pitch d) Longitudinal e) Transverse f) Volume 10) A very high frequency sound >20,000Hz a) Frequency b) Decibels [dB] c) 300,000,000m/s d) Ultrasound 11) Detects sound waves a) Eyes b) Ear c) Tongue d) Skin e) Nose 12) Unit for VOLUME - loudness a) Centimetres [cm] b) Decibels [dB] c) Hertz [Hz] 13) Do you hear the thunder or see lighting first? a) Thunder first b) Lightning first 14) Can light travel through a VACUUM? a) YES b) NO 15) Can sound travel through a VACUUM? a) YES b) NO 16) What does an object need to do to make a SOUND? a) move back and forth - vibrate b) stay still 17) What is a HUMANS audible range? a) 10-10,000Hz b) 20-20,000Hz c) 30-30,000Hz d) 40-40,000Hz 18) In which does a SOUND WAVE travel fastest? a) SOLIDS b) LIQUIDS c) GASES d) VACUUM 19) The bending of light rays is called a) Refraction b) Reflection c) Mirror d) frequency e) prism f) whitelight 20) The point where the reflected and incident ray meets is called a) Normal b) point c) Reflection d) angle of reflection e) law of reflection f) normal 21) When a sound wave passes through a medium, what does it cause the particles to do? a) freezes b) invincible c) vibrate d) changes colour e) disappear f) bounces 22) In which of the following mediums, does sound travel the fastest? a) vacuum b) gas c) solid d) fluid e) liquid f) plasma 23) What does the frequency of a sound wave determine? a) Amplitude b) colour c) speed d) distance e) amplitude f) Pitch

Sound and Light Waves QUIZ

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