Class 7 Science e-Book's MCQs - Complete
Refractive Index Quiz App Free Download & e-Book - 244
Apps:
MCQ:
'Refractive index' is equal to
- speed of light in material /speed of light in vacuum
- speed of light in material/speed of light in air
- speed of light in vacuum/speed of light in material
- speed of light in vacuum/speed of light in air
c
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Refractive Index Textbook App: Free Download iOS & Android
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7th Grade Science MCQs eBook Download
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