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DISPERSION OF LIGHT MCQs

Total Questions : 25 | Page 3 of 3 pages
Question 21. What form does light travel in?
  1.    Curved line
  2.    Zig-Zag
  3.    Straight Line
  4.    none of the above
 Discuss Question
Answer: Option C. -> Straight Line
Question 22. Which colour scatters the most?
  1.    Red
  2.    Green
  3.    Blue
  4.    Yellow
 Discuss Question
Answer: Option C. -> Blue
Question 23. Why does an apple appear red?
  1.    All colors are absorbed & none are reflected
  2.    All colors are absorbed except for blue, which is reflected
  3.    All colors are reflected and none are absorbed
  4.    All colors are absorbed except for red, which is reflected
 Discuss Question
Answer: Option D. -> All colors are absorbed except for red, which is reflected
Question 24. Which of the following is NOT a source of light?
  1.    eyes
  2.    lit candle
  3.    sun
  4.    firefly
 Discuss Question
Answer: Option A. -> eyes
Question 25. Why does scattering of light occur?
  1.    Light rays are blocked and reflected to all directions by the clouds or particles in the air
  2.    Light rays are blocked and reflracted to all directions by the clouds or particles in the air
  3.    Light rays are passing through and refracted to all directions by the clouds or particles in the air
  4.    none of the above
 Discuss Question
Answer: Option A. -> Light rays are blocked and reflected to all directions by the clouds or particles in the air

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