
Unit on Light
Quiz by Usha
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20 questions
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- Q1Opaque materialA material that reflects or absorbs all of the light that strikes it is an30s
- Q2diffuse refelctionWhen light bounces off an uneven surface, the result is called30s
- Q3prismA curved piece of glass or other transparent material that is used to refract light is a30s
- Q4irisA ring of muscle that change the size of the eyeś pupil is the30s
- Q5secondary colorsPrimary colors combine to make30s
- Q6raysLines that represent light waves are called30s
- Q7virtual imageAn upright image is called a30s
- Q8nearby objects appear blurry.For a farsighted person30s
- Q9increasesThe index of refraction for water is 1.33 and for glass is 1.5. When light moves from glass into water, the speed of light30s
- Q10Concave mirrorA convex lens can produce a real or a virtual image. Which type of mirror is most similar to a convex lens?30s
- Q11black and greenYou view an American flag through sunglasses that are tinted green. What color do you see?30s
- Q12transmit light.Transparent material such as clear glass30s
- Q13transmit and scatter light.Translucent materials such as frosted glass30s
- Q14Rose petals reflects red and absorbs other colors. Leaves reflect green and absorb other colors.Why do you see the petals of a rose as red and leaves as green?30s
- Q15white light.Complementary colors can be combined to form30s