Dispersion of Light Study App | Class 7 Science MCQs e-Book PDF

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 25 (Chapter 4)

Dispersion of Light MCQs with Answers PDF Download – Test 25

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Learn Dispersion of light Multiple Choice Questions (MCQs) with Answers PDF (Dispersion of Light MCQs PDF e-Book) download Ch. 4-25 to study Class 7 Science Course. Learn Dispersion of Light Quiz Questions and Answers to build science knowledge. Free Dispersion of Light MCQs App: Download the Class 7 Science Study App to total internal reflection, refraction of light, light and straight lines, refractive index test prep for science progress tracking systems.

Free "Dispersion of Light MCQs" App Download with MCQ: Critical angle for "Perspex" is; with answers: 42 degree, 40 degree, 44 degree, and 46 degree to build science knowledge. Solve Total Internal Reflection MCQ Questions, download Google e-Book (Free Chapter) to support educational learning success.

Dispersion of Light MCQs – Practice Test 25 PDF Download

MCQ 121: The critical angle for "Perspex" is:

  1. 40 degree
  2. 42 degree
  3. 44 degree
  4. 46 degree

MCQ 122: When light enters a dense medium, it:

  1. speeds up
  2. slows down
  3. increases its frequency
  4. increases its wavelength

MCQ 123: The critical angle for ice is:

  1. 47 Degree
  2. 49 Degree
  3. 50 Degree
  4. 45 Degree

MCQ 124: The speed of light in 'vacuum' is:

  1. 3,000 km/s
  2. 30,000 km/s
  3. 300,000 km/s
  4. 3,000,000 km/s

MCQ 125: 'Refractive index' of quartz is:

  1. 1.54
  2. 1.34
  3. 2.04
  4. 1.72

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