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Class 7 Science Study App Download | Refraction of Light Study Apps (iOS & Android)

Class 7 Science MCQs: Complete Course

Refraction of Light MCQs App Download & e-Book | 980

MCQ: 980

The change in speed of light when entering water is

  1. 5,000 km/s
  2. 50,000 km/s
  3. 100,000 km/s
  4. 200,000 km/s

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Refraction of Light Learning App: Free iOS & Android Apps

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