Class 7 Science Learning App | Dispersion of Light Quiz e-Book PDF

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Class 7 Science MCQs – Practice Test 31 (Chapter 4)

Dispersion of Light Quiz with Answers PDF Download – Test 31

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Study Dispersion of light Quiz Questions and Answers PDF (Dispersion of Light Quiz PDF e-Book) download Ch. 4-31 to learn Class 7 Science Course. Solve Concave Lens MCQs PDF, Dispersion of Light Quiz Questions and Answers for science MCQ practice tests. Free Class 7 Science Learning App: Download the Dispersion of Light Quiz App to learn concave lens, light and lenses, colors vision, introduction to light, colors on screen test prep for science remote science communities.

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Dispersion of Light Quiz – Practice Test 31 PDF Download

MCQ 151: An example of object that uses concave lenses, is:

  1. contact lenses
  2. telescope
  3. spectacles
  4. microscope

MCQ 152: The lens in our eye can change its thickness due to:

  1. muscles connection
  2. brain power
  3. will power
  4. living cells

MCQ 153: The number of cone cells in an eye is:

  1. 2 million
  2. 4 million
  3. 6 million
  4. 8 million

MCQ 154: We can see things because they:

  1. absorb light
  2. reflect light
  3. create light
  4. stimulate the photons of light

MCQ 155: We see different colors on screen because dots change their:

  1. colors
  2. brightness
  3. sharpness
  4. size

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