Class 7 Science e-Book's MCQs - Complete
Refraction of Light MCQs App Free Download & e-Book - 496
Apps:
MCQ:
If light enters a glass, it slows down more than
- 200,000 km/s
- 150,000 km/s
- 100,000 km/s
- 50,000 km/s
b
Class 7 Science App & e-Book Tests PDF Download
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7th Grade Science MCQs eBook Download
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Class 7 Science Quiz with Answers
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