Light Waves - KS3
Quiz by Francesco Busiello
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10 questions
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- Q1Which of these waves is the fastest?Sound wavesLight wavesAir wavesWater waves
- Q2Light waves are a type of...Transverse WavesWater WavesLongitudinal WavesSound Waves
- Q3What is the angle of reflection always equal of?The angle of entry90 degreesThe angle of refractionThe angle of incidence
- Q4Which of the following statement about light is true?Light can reflect but not refractLight travels in a vacuumLight can only travel through airLight can only travel in a vacuum
- Q5What do you call an object that lets all light pass through?AbsorbentOpaqueTranslucentTransparent
- Q6Why does the phenomenon of refraction occur?The speed of light changesThe frequency of light changesThe size of light changesThe shape of light changes
- Q7How much time would it take, approximately, for the light of a lightning bolt take to travel a couple of miles?A few daysA few millionths of a secondA few minutesA few seconds
- Q8What is the retina?The part of the eye which sends signals to the brainThe light-sensitive part of the eyeThe part of a camera which captures lightThe part of the eye which focuses light
- Q9How would a piece of white paper appear under red light?GreenBlackWhiteRed
- Q10The three primary colours are Red, Green and...PurpleBlackBlueYellow