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Class 7 Science Competitive Exam: Certification Test 764

Refractive Index Quiz App Download & PDF e-Book - 764

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MCQ: 764

The speed of light in water is

  1. Two-quarters of light speed in vacuum
  2. Three-quarters of light speed in vacuum
  3. one-third of light speed in vacuum
  4. two-third of speed of light in vacuum
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Refractive Index Competitive Exam: Class 7 Science App & eBook Quiz

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Refractive Index Quiz App (iOS & Android)

Refractive Index Quiz App

Refractive Index Quiz App (Android & iOS)

7th Grade Science Quiz App

Earth Science Quiz App (Android & iOS)

Earth Science Quiz App

6th Grade Science Quiz App (Android & iOS)

6th Grade Science Quiz App

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