Class 7 Science MCQs (Grade 7) From Textbook

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Class 7 Science Cerification Guide: Certification Test 1559

Refractive Index MCQ App & e-Book: MCQ 1559

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MCQ: 1559

The speed of light in soda-lime glass is

  1. 100,000 km/s
  2. 150,000 km/s
  3. 200,000 km/s
  4. 250,000 km/s
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Refractive Index Cerification Guide: Class 7 Science App & eBook MCQ

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Refractive Index MCQ App (iOS & Android)

Refractive Index MCQ App

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Earth Science MCQ App

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