Class 7 Science MCQs - Chapter 4
Dispersion of Light Trivia Questions & Answers PDF Download - 20
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The Dispersion of light Trivia Questions and Answers PDF (dispersion of light Quiz Answers PDF e-Book) download Ch. 4-20 to study Grade 7 Science Course. Practice Concave Lens MCQ PDF, Dispersion of Light Quiz Questions and Answers for online certificate programs. The Dispersion of Light Trivia App Download: Free certification app for concave lens, light and filters, refraction of light, primary colored lights test prep for online degree programs.
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Dispersion of Light Test Questions and Answers PDF Download: MCQ 20
In concave lenses, a distant object appears
- upright
- virtual
- magnified
- inverted
A red "filter"
- allows green and blue color to pass
- allows red color to pass
- allows all colors to pass except red
- allows yellow color to pass
As the light moves from one medium to another, its
- amplitude changes
- speed changes
- frequency and wavelength change
- wavelength changes only
An example of 'refraction' of light is
- water
- wall
- brick
- metal
To form other colors like brown, peach, purple etc. the colors that are required, are
- red, yellow and green
- red, blue and orange
- green, blue and yellow
- red, green and blue
Class 7 Science Mock Tests
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