Class 7 Science MCQs - Chapter 4
Dispersion of Light Quiz Questions & Answers PDF Download - 31
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The Dispersion of light Quiz Questions and Answers PDF (dispersion of light Quiz PDF e-Book) download Ch. 4-31 to learn Grade 7 Science Course. Solve Concave Lens MCQs PDF, Dispersion of Light Quiz Questions and Answers for online certificate programs. The Dispersion of Light Quiz App Download: Free learning app for concave lens, light and lenses, colors vision, introduction to light, colors on screen test prep for online elementary school.
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Dispersion of Light Exam Questions and Answers PDF Download: Test 31
An example of object that uses concave lenses, is
- contact lenses
- telescope
- spectacles
- microscope
The lens in our eye can change its thickness due to
- muscles connection
- brain power
- will power
- living cells
The number of cone cells in an eye is
- 2 million
- 4 million
- 6 million
- 8 million
We can see things because they
- absorb light
- reflect light
- create light
- stimulate the photons of light
We see different colors on screen because dots change their
- colors
- brightness
- sharpness
- size
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