Class 7 Science MCQs - Chapter 4
Dispersion of Light Trivia Questions & Answers PDF Download - 4
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The Dispersion of light Trivia Questions and Answers PDF (Dispersion of Light Quiz Answers PDF e-Book) download Ch. 4-4 to study Grade 7 Science Course. Practice Refractive Index MCQ PDF, Dispersion of Light Quiz Questions and Answers to learn online school courses. The Dispersion of Light Trivia App Download: Free Grade 7 Science Study [Free] App for refractive index, light and lenses, total internal reflection, concave lens, mirages test prep for distance learning classes.
The Quiz: 'Refractive index' is equal to; "Dispersion of Light" App APK Download with answers: speed of light in material/speed of light in air, speed of light in material /speed of light in vacuum, speed of light in vacuum/speed of light in material, and speed of light in vacuum/speed of light in air to learn online school courses. Practice Refractive Index MCQ Questions, download Kindle eBook (Free Sample) for virtual elementary school.
Dispersion of Light Test Questions and Answers PDF Download: MCQ 4
'Refractive index' is equal to
- speed of light in material /speed of light in vacuum
- speed of light in material/speed of light in air
- speed of light in vacuum/speed of light in material
- speed of light in vacuum/speed of light in air
Names of the types of lenses are
- convex and biconvex
- concave and biconcave
- biconvex and biconcave
- convex and concave
Light in extremely denser medium is
- reflected back again and again
- refracted again and again
- refracted at reflex angle
- finally finishes
The concave lens
- shrinks the image
- magnifies the image
- sharpens the images
- increases the contrast of image
Refraction of light in 'atmosphere' causes
- eye damage
- mirages
- dizziness
- blindness
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