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10 questions
Show answers
- Q1What kind of a wave is a sound wave?TransverseLatitudinalElectromagneticLongitudinal30s
- Q2How do sound waves travel?Vibrations through a mediumSound waves can only travel in a vacuumVia a carrier particle called a neutrinoVia a carrier particle called a photon30s
- Q3What is the pitch of a sound determined by?Its frequencySound waves all have the same pitchThe medium through which it travelsIts amplitude30s
- Q4What is the loudness of a sound wave determined by?The medium through which it travelsIts amplitudeSound waves all have the same loudnessIts frequency30s
- Q5What are echoes?Reflections of soundsAn impressionist repeating the noiseReflections of lightRefraction of sounds30s
- Q6If a sound wave is made louder, what happens to the amount of energy the wave has?The energy increasesThe energy decreasesThe energy remains constantMore information is required to answer the question30s
- Q7If the pitch of a sound wave is increased, does the time period between waveforms increase or decrease?IncreasesRemains the sameRandomly changes to a discrete valueDecreases30s
- Q8A car horn produces a sound wave of frequency 680Hz. When the sound wave is travelling through air, it has a wavelength of 0.5m. What is the speed of the sound wave?330m/s400m/s300m/s340m/s30s
- Q9The car horn and car unfortunately find themselves under water in a river. The car horn still produces a sound wave with a frequency of 680Hz, however the speed of the sound is dramatically increased to 1485m/s. What is the wavelength of the sound wave in water?1,009,800m2.18m0.92m0.46m30s
- Q10What is an ultrasound wave?There are no such things as ultrasound wavesUltrasound waves are transverse wavesAn ultrasound wave is a sound wave which has the same frequency as an audible sound wave, however it has much greater energyAn ultrasound wave is a sound wave which has a frequency higher than 20kHz30s